C31232233133313221211113313331333132313331322121111133313132232311   >>    C3123223313331322121111331333133313231333132212111113331313223231   <<    C31232233133313221211113313331333132313331322121111133313132232313   >>      C31232233133313221211113313331333132313331322121111133313132232312   >>