C1111133313331323223313331333133313311211111211331333131213112121
>>
C111113331333132322331333133313331331121111121133133313121311212
<<
C1111133313331323223313331333133313311211111211331333131213112123
>>
C1111133313331323223313331333133313311211111211331333131213112122
>>