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CoHanoiHelper(n; s1; f; s2; g)/r1,r2. Co(r1 @(m) r2) is a Hanoi(n disk) seq on a..z Co& r1(a) = f Co& r2(z) = g Co* Co((s1(?) {to n-1} Cois a Hanoi(n disk) seq on a..z Co& (s1(?) {to n-1} Co& (s2(?) {to n-1} |
| 1 |
| 16 steps |
| 2 |
| 4 steps |
| 3 |
| 4 steps |
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