[03] RAM8
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@ -42,7 +42,7 @@ Make sure you read through the [Hardware Simulator Tutorial](https://b1391bd6-da
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- [x] DFF (primitive)
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- [x] Bit (1 Mux, 1DFF)
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- [x] Register (16 Bits)
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- [ ] RAM8
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- [x] RAM8 (8 Registers, 1 DMux8Way, 1 Mux8Way16)
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- [ ] RAM64
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- [ ] RAM512
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- [ ] RAM4K
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@ -15,5 +15,40 @@ CHIP RAM8 {
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OUT out[16];
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PARTS:
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// Put your code here:
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// All our registers can just use
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// the same input signal
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// but pick the load from different places
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Register(in=in, load=load1, out=out1);
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Register(in=in, load=load2, out=out2);
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Register(in=in, load=load3, out=out3);
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Register(in=in, load=load4, out=out4);
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Register(in=in, load=load5, out=out5);
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Register(in=in, load=load6, out=out6);
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Register(in=in, load=load7, out=out7);
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Register(in=in, load=load8, out=out8);
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// We take our load signal, DMux it to 8 signals
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// deciding by the address passed to us
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DMux8Way(in=load, sel=address,
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a=load1,
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b=load2,
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c=load3,
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d=load4,
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e=load5,
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f=load6,
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g=load7,
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h=load8);
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// Take the output of all the registers
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// and return based on the address
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Mux8Way16(
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a=out1,
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b=out2,
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c=out3,
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d=out4,
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e=out5,
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f=out6,
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g=out7,
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h=out8,
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sel=address, out=out);
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}
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@ -0,0 +1,173 @@
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| time | in |load |address| out |
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| 0+ | 0 | 0 | 0 | 0 |
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| 1 | 0 | 0 | 0 | 0 |
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| 1+ | 0 | 1 | 0 | 0 |
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| 2 | 0 | 1 | 0 | 0 |
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| 2+ | 11111 | 0 | 0 | 0 |
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| 3 | 11111 | 0 | 0 | 0 |
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| 3+ | 11111 | 1 | 1 | 0 |
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| 4 | 11111 | 1 | 1 | 11111 |
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| 4+ | 11111 | 0 | 0 | 0 |
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| 5 | 11111 | 0 | 0 | 0 |
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| 5+ | 3333 | 0 | 3 | 0 |
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| 6 | 3333 | 0 | 3 | 0 |
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| 6+ | 3333 | 1 | 3 | 0 |
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| 7 | 3333 | 1 | 3 | 3333 |
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| 7+ | 3333 | 0 | 3 | 3333 |
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| 8 | 3333 | 0 | 3 | 3333 |
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| 8 | 3333 | 0 | 1 | 11111 |
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| 8+ | 7777 | 0 | 1 | 11111 |
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| 9 | 7777 | 0 | 1 | 11111 |
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| 9+ | 7777 | 1 | 7 | 0 |
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| 10 | 7777 | 1 | 7 | 7777 |
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| 10+ | 7777 | 0 | 7 | 7777 |
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| 11 | 7777 | 0 | 7 | 7777 |
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| 11 | 7777 | 0 | 3 | 3333 |
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| 11 | 7777 | 0 | 7 | 7777 |
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| 11+ | 7777 | 0 | 0 | 0 |
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| 12 | 7777 | 0 | 0 | 0 |
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| 12 | 7777 | 0 | 1 | 11111 |
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| 12 | 7777 | 0 | 2 | 0 |
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| 12 | 7777 | 0 | 3 | 3333 |
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| 12 | 7777 | 0 | 4 | 0 |
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| 12 | 7777 | 0 | 5 | 0 |
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| 12 | 7777 | 0 | 6 | 0 |
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| 12 | 7777 | 0 | 7 | 7777 |
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| 12+ | 21845 | 1 | 0 | 0 |
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| 13 | 21845 | 1 | 0 | 21845 |
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| 13+ | 21845 | 1 | 1 | 11111 |
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| 14 | 21845 | 1 | 1 | 21845 |
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| 14+ | 21845 | 1 | 2 | 0 |
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| 15 | 21845 | 1 | 2 | 21845 |
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| 15+ | 21845 | 1 | 3 | 3333 |
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| 16 | 21845 | 1 | 3 | 21845 |
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| 16+ | 21845 | 1 | 4 | 0 |
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| 17 | 21845 | 1 | 4 | 21845 |
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| 17+ | 21845 | 1 | 5 | 0 |
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| 18 | 21845 | 1 | 5 | 21845 |
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| 18+ | 21845 | 1 | 6 | 0 |
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| 19 | 21845 | 1 | 6 | 21845 |
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| 19+ | 21845 | 1 | 7 | 7777 |
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| 20 | 21845 | 1 | 7 | 21845 |
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| 20+ | 21845 | 0 | 0 | 21845 |
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| 21 | 21845 | 0 | 0 | 21845 |
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| 21 | 21845 | 0 | 1 | 21845 |
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| 21 | 21845 | 0 | 2 | 21845 |
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| 21 | 21845 | 0 | 3 | 21845 |
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| 21 | 21845 | 0 | 4 | 21845 |
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| 21 | 21845 | 0 | 5 | 21845 |
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| 21 | 21845 | 0 | 6 | 21845 |
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| 21 | 21845 | 0 | 7 | 21845 |
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| 21+ | -21846 | 1 | 0 | 21845 |
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| 22 | -21846 | 1 | 0 | -21846 |
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| 22+ | -21846 | 0 | 0 | -21846 |
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| 23 | -21846 | 0 | 0 | -21846 |
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| 23 | -21846 | 0 | 1 | 21845 |
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| 23 | -21846 | 0 | 2 | 21845 |
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| 23 | -21846 | 0 | 3 | 21845 |
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| 23 | -21846 | 0 | 4 | 21845 |
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| 23 | -21846 | 0 | 5 | 21845 |
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| 23 | -21846 | 0 | 6 | 21845 |
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| 23 | -21846 | 0 | 7 | 21845 |
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| 23+ | 21845 | 1 | 0 | -21846 |
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| 24 | 21845 | 1 | 0 | 21845 |
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| 24+ | -21846 | 1 | 1 | 21845 |
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| 25 | -21846 | 1 | 1 | -21846 |
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| 25+ | -21846 | 0 | 0 | 21845 |
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| 26 | -21846 | 0 | 0 | 21845 |
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| 26 | -21846 | 0 | 1 | -21846 |
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| 26 | -21846 | 0 | 2 | 21845 |
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| 26 | -21846 | 0 | 3 | 21845 |
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| 26 | -21846 | 0 | 4 | 21845 |
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| 26 | -21846 | 0 | 5 | 21845 |
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| 26 | -21846 | 0 | 6 | 21845 |
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| 26 | -21846 | 0 | 7 | 21845 |
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| 26+ | 21845 | 1 | 1 | -21846 |
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| 27 | 21845 | 1 | 1 | 21845 |
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| 27+ | -21846 | 1 | 2 | 21845 |
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| 28 | -21846 | 1 | 2 | -21846 |
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| 28+ | -21846 | 0 | 0 | 21845 |
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| 29 | -21846 | 0 | 0 | 21845 |
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| 29 | -21846 | 0 | 1 | 21845 |
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| 29 | -21846 | 0 | 2 | -21846 |
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| 29 | -21846 | 0 | 3 | 21845 |
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| 29 | -21846 | 0 | 4 | 21845 |
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| 29 | -21846 | 0 | 5 | 21845 |
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| 29 | -21846 | 0 | 6 | 21845 |
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| 29 | -21846 | 0 | 7 | 21845 |
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| 29+ | 21845 | 1 | 2 | -21846 |
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| 30 | 21845 | 1 | 2 | 21845 |
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| 30+ | -21846 | 1 | 3 | 21845 |
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| 31 | -21846 | 1 | 3 | -21846 |
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| 31+ | -21846 | 0 | 0 | 21845 |
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| 32 | -21846 | 0 | 0 | 21845 |
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| 32 | -21846 | 0 | 1 | 21845 |
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| 32 | -21846 | 0 | 2 | 21845 |
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| 32 | -21846 | 0 | 3 | -21846 |
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| 32 | -21846 | 0 | 4 | 21845 |
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| 32 | -21846 | 0 | 5 | 21845 |
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| 32 | -21846 | 0 | 6 | 21845 |
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| 32 | -21846 | 0 | 7 | 21845 |
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| 32+ | 21845 | 1 | 3 | -21846 |
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| 33 | 21845 | 1 | 3 | 21845 |
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| 33+ | -21846 | 1 | 4 | 21845 |
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| 34 | -21846 | 1 | 4 | -21846 |
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| 34+ | -21846 | 0 | 0 | 21845 |
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| 35 | -21846 | 0 | 0 | 21845 |
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| 35 | -21846 | 0 | 1 | 21845 |
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| 35 | -21846 | 0 | 2 | 21845 |
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| 35 | -21846 | 0 | 3 | 21845 |
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| 35 | -21846 | 0 | 4 | -21846 |
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| 35 | -21846 | 0 | 5 | 21845 |
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| 35 | -21846 | 0 | 6 | 21845 |
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| 35 | -21846 | 0 | 7 | 21845 |
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| 35+ | 21845 | 1 | 4 | -21846 |
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| 36 | 21845 | 1 | 4 | 21845 |
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| 36+ | -21846 | 1 | 5 | 21845 |
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| 37 | -21846 | 1 | 5 | -21846 |
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| 37+ | -21846 | 0 | 0 | 21845 |
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| 38 | -21846 | 0 | 0 | 21845 |
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| 38 | -21846 | 0 | 1 | 21845 |
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| 38 | -21846 | 0 | 2 | 21845 |
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| 38 | -21846 | 0 | 3 | 21845 |
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| 38 | -21846 | 0 | 4 | 21845 |
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| 38 | -21846 | 0 | 5 | -21846 |
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| 38 | -21846 | 0 | 6 | 21845 |
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| 38 | -21846 | 0 | 7 | 21845 |
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| 38+ | 21845 | 1 | 5 | -21846 |
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| 39 | 21845 | 1 | 5 | 21845 |
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| 39+ | -21846 | 1 | 6 | 21845 |
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| 40 | -21846 | 1 | 6 | -21846 |
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| 40+ | -21846 | 0 | 0 | 21845 |
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| 41 | -21846 | 0 | 0 | 21845 |
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| 41 | -21846 | 0 | 1 | 21845 |
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| 41 | -21846 | 0 | 2 | 21845 |
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| 41 | -21846 | 0 | 3 | 21845 |
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| 41 | -21846 | 0 | 4 | 21845 |
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| 41 | -21846 | 0 | 5 | 21845 |
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| 41 | -21846 | 0 | 6 | -21846 |
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| 41 | -21846 | 0 | 7 | 21845 |
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| 41+ | 21845 | 1 | 6 | -21846 |
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| 42 | 21845 | 1 | 6 | 21845 |
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| 42+ | -21846 | 1 | 7 | 21845 |
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| 43 | -21846 | 1 | 7 | -21846 |
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| 43+ | -21846 | 0 | 0 | 21845 |
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| 44 | -21846 | 0 | 0 | 21845 |
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| 44 | -21846 | 0 | 1 | 21845 |
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| 44 | -21846 | 0 | 2 | 21845 |
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| 44 | -21846 | 0 | 3 | 21845 |
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| 44 | -21846 | 0 | 4 | 21845 |
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| 44 | -21846 | 0 | 5 | 21845 |
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| 44 | -21846 | 0 | 6 | 21845 |
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| 44 | -21846 | 0 | 7 | -21846 |
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| 44+ | 21845 | 1 | 7 | -21846 |
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| 45 | 21845 | 1 | 7 | 21845 |
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| 45+ | 21845 | 0 | 0 | 21845 |
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| 46 | 21845 | 0 | 0 | 21845 |
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| 46 | 21845 | 0 | 1 | 21845 |
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| 46 | 21845 | 0 | 2 | 21845 |
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| 46 | 21845 | 0 | 3 | 21845 |
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| 46 | 21845 | 0 | 4 | 21845 |
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| 46 | 21845 | 0 | 5 | 21845 |
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| 46 | 21845 | 0 | 6 | 21845 |
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| 46 | 21845 | 0 | 7 | 21845 |
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