B331133131323131133132233133313231323132333133313113313233211111232323331
>>
B33113313132313113313223313331323132313233313331311331323321111123232333
<<
B331133131323131133132233133313231323132333133313113313233211111232323333
>>
B331133131323131133132233133313231323132333133313113313233211111232323332
>>