B33113313132313113313223313331323132313331333133112111133133313332221231
>>
B3311331313231311331322331333132313231333133313311211113313331333222123
<<
B33113313132313113313223313331323132313331333133112111133133313332221233
>>
B33113313132313113313223313331323132313331333133112111133133313332221232
>>