三角形开始
1;
0, 1;
0, -1, 1;
0, 0, -1, 1;
0, 0, 1, -1, 1;
0, 0, 0, 1, -1, 1;
0, 0, 0, -1, 1, -1, 1;
0, 0, 0, 0, -1, 1, -1, 1;
0, 0, 0, 0, 1, -1, 1, -1, 1;
0, 0, 0, 0, 0, 1, -1, 1, -1, 1;
0, 0, 0, 0, 0, -1, 1, -1, 1, -1, 1;
0, 0, 0, 0, 0, 0, -1, 1, -1, 1, -1, 1;
0, 0, 0, 0, 0, 0, 1, -1, 1, -1, 1, -1, 1;