B33113313132313113313223313331311331333131113331333133313231311211131
>>
B3311331313231311331322331333131133133313111333133313331323131121113
<<
B33113313132313113313223313331311331333131113331333133313231311211133
>>
B33113313132313113313223313331311331333131113331333133313231311211132
>>