C111113331333132322331333133313331311331323133313221211113311111   >>    C11111333133313232233133313331333131133132313331322121111331111   <<    C111113331333132322331333133313331311331323133313221211113311113   >>      C111113331333132322331333133313331311331323133313221211113311112   >>