C31232233133313221211113313331333132313331322121111121111111133112333231   >>    C3123223313331322121111331333133313231333132212111112111111113311233323   <<    C31232233133313221211113313331333132313331322121111121111111133112333233   >>      C31232233133313221211113313331333132313331322121111121111111133112333232   >>