C313212111113331323312111133133313331333133313331333133313331333131211123221   >>    C31321211111333132331211113313331333133313331333133313331333133313121112322   <<    C313212111113331323312111133133313331333133313331333133313331333131211123223   >>      C313212111113331323312111133133313331333133313331333133313331333131211123222   >>