B33113313132313113313223313331311331333131113331333133313231333132322222321
>>
B3311331313231311331322331333131133133313111333133313331323133313232222232
<<
B33113313132313113313223313331311331333131113331333133313231333132322222323
>>
B33113313132313113313223313331311331333131113331333133313231333132322222322
>>