C313212111133131211331333133313331311331333131133133313222222121
>>
C31321211113313121133133313331333131133133313113313331322222212
<<
C313212111133131211331333133313331311331333131133133313222222123
>>
C313212111133131211331333133313331311331333131133133313222222122
>>