B33113313132313113313223313331311331333132332132313331333131133131312111
>>
B3311331313231311331322331333131133133313233213231333133313113313131211
<<
B33113313132313113313223313331311331333132332132313331333131133131312113
>>
B33113313132313113313223313331311331333132332132313331333131133131312112
>>