C31232233133313221211113313331333132313331322121111121111331313121132233131   >>    C3123223313331322121111331333133313231333132212111112111133131312113223313   <<    C31232233133313221211113313331333132313331322121111121111331313121132233133   >>      C31232233133313221211113313331333132313331322121111121111331313121132233132   >>