C31321211111333132331211113313331333133313331333133313331321221   >>    C3132121111133313233121111331333133313331333133313331333132122   <<    C31321211111333132331211113313331333133313331333133313331321223   >>      C31321211111333132331211113313331333133313331333133313331321222   >>