TABLE 6:
Set of variables for each assignment in Example 1
| vs 1 | {x11, x21} |
| vs 2 | {x22, x32} |
| vs 3 | {x13, x33} |
| vs 4 | {x14, x34} |
| vs 5 | {x15, x25, x35} |
| vs 6 | {x16, x26, x36} |
| vs 7 | {x27, x37} |
| vs 8 | {x18, x28, x38} |
| vs 9 | {x29, x39} |
| vs 10 | {x1 10, x2 10, x3 10} |
| vs 11 | {x1 11, x2 11} |
| vs 12 | {x2 12, x3 12} |
| vs 13 | {x1 13, x2 13, x3 13} |