C31321211111333132331211113313331333133313331333133313331333133313112331123221   >>    C3132121111133313233121111331333133313331333133313331333133313331311233112322   <<    C31321211111333132331211113313331333133313331333133313331333133313112331123223   >>      C31321211111333132331211113313331333133313331333133313331333133313112331123222   >>