B331133131323131133132233133313231323223313231313331323132313231322121
>>
B33113313132313113313223313331323132322331323131333132313231323132212
<<
B331133131323131133132233133313231323223313231313331323132313231322123
>>
B331133131323131133132233133313231323223313231313331323132313231322122
>>