C31232233133313221211113313331333133313331212111112132313112113231   >>    C3123223313331322121111331333133313331333121211111213231311211323   <<    C31232233133313221211113313331333133313331212111112132313112113233   >>      C31232233133313221211113313331333133313331212111112132313112113232   >>