B33113313132313113313223313331311331333131113331333133313222313112131
>>
B3311331313231311331322331333131133133313111333133313331322231311213
<<
B33113313132313113313223313331311331333131113331333133313222313112133
>>
B33113313132313113313223313331311331333131113331333133313222313112132
>>