Table 3.
Distance matrix between demand points (km).
| j 1 | j 2 | j 3 | j 4 | j 5 | j 9 | j 11 | j 13 | k 1 | k 2 | j 6 | j 7 | j 8 | j 10 | j 12 | k 3 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| j 1 | 0 | 26 | 22 | 33 | 45 | 50 | 57 | 48 | 34 | 56 | 38 | 42 | 16 | 27 | 31 | 37 |
| j 2 | 26 | 0 | 9 | 15 | 26 | 18 | 51 | 29 | 41 | 24 | 31 | 43 | 50 | 28 | 19 | 34 |
| j 3 | 22 | 9 | 0 | 9 | 14 | 17 | 21 | 33 | 20 | 45 | 37 | 21 | 42 | 16 | 31 | 44 |
| j 4 | 33 | 15 | 9 | 0 | 54 | 15 | 22 | 39 | 43 | 61 | 32 | 18 | 26 | 30 | 19 | 25 |
| j 5 | 45 | 26 | 14 | 54 | 0 | 28 | 31 | 24 | 37 | 28 | 35 | 14 | 22 | 41 | 29 | 30 |
| j 9 | 50 | 18 | 17 | 15 | 28 | 0 | 39 | 18 | 20 | 52 | 39 | 47 | 13 | 22 | 36 | 21 |
| j 11 | 57 | 51 | 21 | 22 | 31 | 39 | 0 | 45 | 39 | 34 | 29 | 24 | 38 | 27 | 42 | 19 |
| j 13 | 48 | 29 | 33 | 39 | 24 | 18 | 45 | 0 | 29 | 33 | 17 | 20 | 13 | 25 | 47 | 31 |
| k 1 | 34 | 41 | 20 | 43 | 37 | 20 | 39 | 29 | 0 | 19 | 22 | 37 | 24 | 30 | 16 | 41 |
| k 2 | 56 | 24 | 45 | 61 | 28 | 52 | 34 | 33 | 19 | 0 | 45 | 23 | 18 | 37 | 22 | 30 |
| j 6 | 38 | 31 | 37 | 32 | 35 | 39 | 29 | 17 | 22 | 45 | 0 | 21 | 49 | 35 | 17 | 9 |
| j 7 | 42 | 43 | 21 | 18 | 14 | 47 | 24 | 20 | 37 | 23 | 21 | 0 | 18 | 34 | 29 | 40 |
| j 8 | 16 | 50 | 42 | 26 | 22 | 13 | 38 | 13 | 24 | 18 | 49 | 18 | 0 | 21 | 35 | 17 |
| j 10 | 27 | 28 | 16 | 30 | 41 | 22 | 27 | 25 | 30 | 37 | 35 | 34 | 21 | 0 | 36 | 29 |
| j 12 | 31 | 19 | 31 | 19 | 29 | 36 | 42 | 47 | 16 | 22 | 17 | 29 | 35 | 36 | 0 | 37 |
| k 3 | 37 | 34 | 44 | 25 | 30 | 21 | 19 | 31 | 41 | 30 | 9 | 40 | 17 | 29 | 37 | 0 |