f=lambda M,t=1:max(f(M[1:]),f(zip(*M)[::-1],t+1))if`t/3`in`M`else`M`.count(`t`)
 
F = f
def f(M, t = 1, D={}):
	k = tuple(M) + (t,)
	if k not in D:
		D[k] = F(M,t)
	return D[k]
 
print f([(1, 1, 1, 0, 1, 1, 0, 0, 0), (1, 1, 0, 1, 1, 1, 1, 0, 0), (0, 0, 1, 1, 1, 1, 1, 1, 0), (0, 1, 1, 1, 1, 1, 1, 1, 1), (0, 0, 1, 1, 1, 1, 1, 1, 0), (0, 0, 0, 1, 1, 1, 1, 0, 0), (0, 0, 0, 0, 1, 1, 0, 0, 0)])
print f([(0, 0, 0, 1, 1, 0, 0, 0, 0), (1, 1, 0, 1, 1, 0, 0, 1, 0), (1, 1, 0, 1, 1, 1, 1, 1, 0), (1, 1, 0, 0, 1, 1, 1, 0, 0), (0, 1, 0, 0, 1, 1, 1, 1, 1), (1, 1, 1, 1, 1, 1, 1, 1, 1), (1, 1, 1, 1, 0, 1, 1, 1, 0)])

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