C31321211111333132331211113313331333133313331333133313331333133311233231311   >>    C3132121111133313233121111331333133313331333133313331333133313331123323131   <<    C31321211111333132331211113313331333133313331333133313331333133311233231313   >>      C31321211111333132331211113313331333133313331333133313331333133311233231312   >>