demo01x
0,600000,16,
3,470000,0,
3,510000,4,
3,810000,0,
4,520000,8,
6,100000,0,
6,300000,2,
7,80000,0,
7,160000,4,
7,790000,0,
8,320000,4,
8,820000,0,
9,420000,4,
10,380000,0,
10,960000,4,
11,990000,0,
12,170000,8,
12,420000,0,
13,0,8,
13,130000,0,
13,330000,8,
14,180000,0,
14,210000,4,
16,730000,5,
16,750000,1,
17,700000,0,
17,730000,8,
18,360000,0,
18,970000,8,
19,750000,1,
0,0,-1
