C31321211111333132331211113313331333133313331333133313331333133313121123313211   >>    C3132121111133313233121111331333133313331333133313331333133313331312112331321   <<    C31321211111333132331211113313331333133313331333133313331333133313121123313213   >>      C31321211111333132331211113313331333133313331333133313331333133313121123313212   >>