C111113331333132322331333133313331311331323133313331311112211231323311   >>    C11111333133313232233133313331333131133132313331333131111221123132331   <<    C111113331333132322331333133313331311331323133313331311112211231323313   >>      C111113331333132322331333133313331311331323133313331311112211231323312   >>