C31321211111333132331211113313331333133313331333133313331333133112321211   >>    C3132121111133313233121111331333133313331333133313331333133313311232121   <<    C31321211111333132331211113313331333133313331333133313331333133112321213   >>      C31321211111333132331211113313331333133313331333133313331333133112321212   >>