B33113313132313113313223313331323133313223313231333133313311232321323221211
>>
B3311331313231311331322331333132313331322331323133313331331123232132322121
<<
B33113313132313113313223313331323133313223313231333133313311232321323221213
>>
B33113313132313113313223313331323133313223313231333133313311232321323221212
>>