C111113331333132322331333133313331311331323133313221211113311211   >>    C11111333133313232233133313331333131133132313331322121111331121   <<    C111113331333132322331333133313331311331323133313221211113311213   >>      C111113331333132322331333133313331311331323133313221211113311212   >>