C31232233133313221211113313331333133313331212111111113313133231   >>    C3123223313331322121111331333133313331333121211111111331313323   <<    C31232233133313221211113313331333133313331212111111113313133233   >>      C31232233133313221211113313331333133313331212111111113313133232   >>