  

 a a1 10a
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

a1
0
0
 00 0
1a1a1110011100a101aa11a01010a0a011a0a10a1
1a1a1110011100a101aa11a01010a0a011a0a100a
a1a1aaa00aaa001a0a11aa10a0a01010aa101a001
a1a1aaa00aaa001a0a11aa10a0a01010aa101a00a
a1a1aaa00aaa001a0a11aa10a0a01010aa101a01a
1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
1 1

1
1