C31232233133313221211113313331333132313331322121111331313212323131   >>    C3123223313331322121111331333133313231333132212111133131321232313   <<    C31232233133313221211113313331333132313331322121111331313212323133   >>      C31232233133313221211113313331333132313331322121111331313212323132   >>