C31232233133313221211113313331333132313331322121111121111131122131   >>    C3123223313331322121111331333133313231333132212111112111113112213   <<    C31232233133313221211113313331333132313331322121111121111131122133   >>      C31232233133313221211113313331333132313331322121111121111131122132   >>