B331133131323131133132233133313231323132313231313331323133313231311222121
>>
B33113313132313113313223313331323132313231323131333132313331323131122212
<<
B331133131323131133132233133313231323132313231313331323133313231311222123
>>
B331133131323131133132233133313231323132313231313331323133313231311222122
>>