B33113313132313113313223313331323133313221211331333133313231312111113332123231
>>
B3311331313231311331322331333132313331322121133133313331323131211111333212323
<<
B33113313132313113313223313331323133313221211331333133313231312111113332123233
>>
B33113313132313113313223313331323133313221211331333133313231312111113332123232
>>