' 1,2 = 255 * (2/21 - 1/16) = +8
Z '' 1,2 = 80 * (1/21 - 2/16) = -6
Z '' ' 1,2 = 145 * (1/16 - 1/21) = -2
2
16
1,2
2
3,2
Z ' 2,3 = 255 * (1/16 - 2/21) = -8
Z '' 2,3 = 80 * (2/16 - 1/21) = +6
Z '' ' 2,3 = 145 * (1/16 - 1/21) = +2
3
21
1,56
2
4,5
Z ' 3,4 = 255 * (2/21 - 1/20) = +12
Z '' 3,4 = 225 * (2/21 - 2/20) = -12
4
20
1,5
2
6,5
Z ' 4,5 = 255 * (1/20 - 1/13, 7) = +6
Z '' 4,5 = 225 * (2/20 - 1/13, 7) = -6
5
13,7
1
1
7
Z ' 5,6 = 175 * (1/13, 7 - 1/5) = -22
Z '' 5,6 = 305 * (1/13, 7 - 0) = +22
6
5
0,4 ​​
1
8
Z ' 6,7 = 175 * (1/5 - 0) = +35
Z '' 6,7 = 225 * (0 - 1/6, 4) = -35
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