C31232233133313221211113313331333132313331322121111121111113323132322231   >>    C3123223313331322121111331333133313231333132212111112111111332313232223   <<    C31232233133313221211113313331333132313331322121111121111113323132322233   >>      C31232233133313221211113313331333132313331322121111121111113323132322232   >>