'pen','surface','lifetime'
1,1,709
1,1,659
1,2,713
1,2,726
1,3,660
1,3,645
2,1,668
2,1,685
2,2,722
2,2,740
2,3,692
2,3,720
3,1,659
3,1,685
3,2,666
3,2,684
3,3,678
3,3,750
4,1,698
4,1,650
4,2,704
4,2,666
4,3,686
4,3,733