C31321211111333132331211113313331333133313331333133313231333133313232313211   >>    C3132121111133313233121111331333133313331333133313331323133313331323231321   <<    C31321211111333132331211113313331333133313331333133313231333133313232313213   >>      C31321211111333132331211113313331333133313331333133313231333133313232313212   >>