B33113313132313113313223313331323132313331333133112111133133112111112211
>>
B3311331313231311331322331333132313231333133313311211113313311211111221
<<
B33113313132313113313223313331323132313331333133112111133133112111112213
>>
B33113313132313113313223313331323132313331333133112111133133112111112212
>>