B331133131323131133132233133313113313331311133313331333132313123311
>>
B33113313132313113313223313331311331333131113331333133313231312331
<<
B331133131323131133132233133313113313331311133313331333132313123313
>>
B331133131323131133132233133313113313331311133313331333132313123312
>>