C31232233133313221211113313331333132313331322121111121111133323311232313311   >>    C3123223313331322121111331333133313231333132212111112111113332331123231331   <<    C31232233133313221211113313331333132313331322121111121111133323311232313313   >>      C31232233133313221211113313331333132313331322121111121111133323311232313312   >>