var matrix = [ [5, 3, 3, 3, 5], [2, 5, 6, 1, 2], [5, 7, 3, 4, 6], [4, 6, 4, 5, 7], [2, 7, 2, 4, 5] ] var mapping = [2, 7, 4, 6, 5, 3, 1] var ans = [[], [], [], [], [], [], []] var pillar_parts = ['1上', '1下', '2上', '2下', '3', '4上', '4下'] for (let _i = 0; _i < 5; ++_i) { for (let j = 0; j < 5; ++j) { ans[mapping.indexOf(matrix[_i][j])].push(_i * 5 + j + 1) } } for (let k = 1; k <= 25; ++k) { for (let _i = 0; _i < 7; ++_i) { if (ans[_i].indexOf(k) !== -1) { console.log(`${k}${k >= 10 ? '' : ' '}: ${pillar_parts[_i]}`) break } } }