#   For BLUE array
#   Based on lab measurements in April 2021
#
# column 1: spaxel number (1-25, numbered left to right in array)
# column 2: spexel number (1-16, numbered bottom to top in array)
 2  1
 2 16
 3  1
 3  2
 3  3
 3  4
 3  5
 3  6
 3  7
 3  8
 3  9
 3 10
 3 11
 3 12
 3 13
 3 14
 3 15
 3 16
 5  5
 5 11
 7 15
16  3
16  7
16  9
16 11
16 13
17  4
18 10
18 11
18 13
20 10
21  1
21  2
21  3
21  4
21  5
21  6
21  7
21  8
21  9
21 10
21 11
21 12
21 13
21 14
21 15
21 16
23  9
24 15
24 16
