B331133131323131133132233133313231323132333133313113313231323131212111112331
>>
B33113313132313113313223313331323132313233313331311331323132313121211111233
<<
B331133131323131133132233133313231323132333133313113313231323131212111112333
>>
B331133131323131133132233133313231323132333133313113313231323131212111112332
>>