B331133131323131133132233133313231323133313331331123231323132322121111121
>>
B33113313132313113313223313331323132313331333133112323132313232212111112
<<
B331133131323131133132233133313231323133313331331123231323132322121111123
>>
B331133131323131133132233133313231323133313331331123231323132322121111122
>>