C31232233133313221211113313331333132313331322121111331313231311311   >>    C3123223313331322121111331333133313231333132212111133131323131131   <<    C31232233133313221211113313331333132313331322121111331313231311313   >>      C31232233133313221211113313331333132313331322121111331313231311312   >>