B33113313132313113313223313331311331323133313132322331313331323131121111
>>
B3311331313231311331322331333131133132313331313232233131333132313112111
<<
B33113313132313113313223313331311331323133313132322331313331323131121113
>>
B33113313132313113313223313331311331323133313132322331313331323131121112
>>