C31232233133313221211113313331311331333133313331323132333112131   >>    C3123223313331322121111331333131133133313331333132313233311213   <<    C31232233133313221211113313331311331333133313331323132333112133   >>      C31232233133313221211113313331311331333133313331323132333112132   >>