C31232233133313221211113313331333132313331322121111121111113321123123131   >>    C3123223313331322121111331333133313231333132212111112111111332112312313   <<    C31232233133313221211113313331333132313331322121111121111113321123123133   >>      C31232233133313221211113313331333132313331322121111121111113321123123132   >>