B331133131323131133132233133313231323133313331331122132313232212321
>>
B33113313132313113313223313331323132313331333133112213231323221232
<<
B331133131323131133132233133313231323133313331331122132313232212323
>>
B331133131323131133132233133313231323133313331331122132313232212322
>>