B33113313132313113313223313331323133313223313231333133313311232332211
>>
B3311331313231311331322331333132313331322331323133313331331123233221
<<
B33113313132313113313223313331323133313223313231333133313311232332213
>>
B33113313132313113313223313331323133313223313231333133313311232332212
>>