C313212111133131211331333133313331333133311233133313113313331212122131131   >>    C31321211113313121133133313331333133313331123313331311331333121212213113   <<    C313212111133131211331333133313331333133311233133313113313331212122131133   >>      C313212111133131211331333133313331333133311233133313113313331212122131132   >>