B331133131323131133132233133313231323132313231313331323223313231312323132121
>>
B33113313132313113313223313331323132313231323131333132322331323131232313212
<<
B331133131323131133132233133313231323132313231313331323223313231312323132123
>>
B331133131323131133132233133313231323132313231313331323223313231312323132122
>>