C31232233133313221211113313331333132313331323331333132332233132232311   >>    C3123223313331322121111331333133313231333132333133313233223313223231   <<    C31232233133313221211113313331333132313331323331333132332233132232313   >>      C31232233133313221211113313331333132313331323331333132332233132232312   >>