1.1 maekawa 1: M: { 5 10 : 2: 1 1 1 1 0 0 0 0 0 0 3: 1 0 0 0 1 1 1 0 0 0 4: 0 1 0 0 1 0 0 1 1 0 5: 0 0 1 0 0 1 0 1 0 1 6: 0 0 0 1 0 0 1 0 1 1 7: }