C313212111113331323312111133133313331333133313331333133112111112211
>>
C31321211111333132331211113313331333133313331333133313311211111221
<<
C313212111113331323312111133133313331333133313331333133112111112213
>>
C313212111113331323312111133133313331333133313331333133112111112212
>>