C31321211111333132331211113313331333133313331333133313331333133313133113313211   >>    C3132121111133313233121111331333133313331333133313331333133313331313311331321   <<    C31321211111333132331211113313331333133313331333133313331333133313133113313213   >>      C31321211111333132331211113313331333133313331333133313331333133313133113313212   >>