C31232233133313221211113313331311331333133313331323132233112331   >>    C3123223313331322121111331333131133133313331333132313223311233   <<    C31232233133313221211113313331311331333133313331323132233112333   >>      C31232233133313221211113313331311331333133313331323132233112332   >>