         Depot1   Depot2   Depot3   Depot4        A        B        C        D
Depot1        0       38       21       32       23       33       32       19
Depot2       38        0       23       59       28       50       12       43
Depot3       21       23        0       37        7       29       13       21
Depot4       32       59       37        0       32       15       48       17
A            23       28        7       32        0       23       17       17
B            33       50       29       15       23        0       38       15
C            32       12       13       48       17       38        0       33
D            19       43       21       17       17       15       33        0