C31321211111333132331211113313331333133313331333133313331221221   >>    C3132121111133313233121111331333133313331333133313331333122122   <<    C31321211111333132331211113313331333133313331333133313331221223   >>      C31321211111333132331211113313331333133313331333133313331221222   >>