C31232233133313221211113313331333132313331322121111331322113233121   >>    C3123223313331322121111331333133313231333132212111133132211323312   <<    C31232233133313221211113313331333132313331322121111331322113233123   >>      C31232233133313221211113313331333132313331322121111331322113233122   >>