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Regular Expression
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^def [triangles=(1,SNAKE)]{27}:print[]SNAKE(--:>or[]{48}$
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Input 1
1
New
def S(N,A=1,K=1,E=list,r=range):print(E(r(A,A+N)[::K]))or(A>N*N-N)or(((S(N,A+N,-K))))