B33113313132313113313223313331323133313223313231333133313132322332211
>>
B3311331313231311331322331333132313331322331323133313331313232233221
<<
B33113313132313113313223313331323133313223313231333133313132322332213
>>
B33113313132313113313223313331323133313223313231333133313132322332212
>>