C313212111113331323312111133133313331333133313331333133313331323221311233231   >>    C31321211111333132331211113313331333133313331333133313331333132322131123323   <<    C313212111113331323312111133133313331333133313331333133313331323221311233233   >>      C313212111113331323312111133133313331333133313331333133313331323221311233232   >>