C31321211111333132331211113313331333133313331333133313331333133313311221321211   >>    C3132121111133313233121111331333133313331333133313331333133313331331122132121   <<    C31321211111333132331211113313331333133313331333133313331333133313311221321213   >>      C31321211111333132331211113313331333133313331333133313331333133313311221321212   >>