B33113313132313113313223313331311331333131113331333132313112121
>>
B3311331313231311331322331333131133133313111333133313231311212
<<
B33113313132313113313223313331311331333131113331333132313112123
>>
B33113313132313113313223313331311331333131113331333132313112122
>>