B33113313132313113313223313331323132333132313331311133313113313231311331121311
>>
B3311331313231311331322331333132313233313231333131113331311331323131133112131
<<
B33113313132313113313223313331323132333132313331311133313113313231311331121313
>>
B33113313132313113313223313331323132333132313331311133313113313231311331121312
>>