B331133131323131133132233133313231323133313132322331323132313231331122311
>>
B33113313132313113313223313331323132313331313232233132313231323133112231
<<
B331133131323131133132233133313231323133313132322331323132313231331122313
>>
B331133131323131133132233133313231323133313132322331323132313231331122312
>>