C31232233133313221211113313331333132313331322121111112211232333221   >>    C3123223313331322121111331333133313231333132212111111221123233322   <<    C31232233133313221211113313331333132313331322121111112211232333223   >>      C31232233133313221211113313331333132313331322121111112211232333222   >>