C31232233133313221211113313331333132313331322121111112231323132231   >>    C3123223313331322121111331333133313231333132212111111223132313223   <<    C31232233133313221211113313331333132313331322121111112231323132233   >>      C31232233133313221211113313331333132313331322121111112231323132232   >>