B331133131323131133132233133313231323223322331323131133132313231311311
>>
B33113313132313113313223313331323132322332233132313113313231323131131
<<
B331133131323131133132233133313231323223322331323131133132313231311313
>>
B331133131323131133132233133313231323223322331323131133132313231311312
>>