grid-column-start:

  -1 4 -2 -3 -4 -5 A -1 B -1 A -2 A -3 A -4 A -5 A B A 1 A 2 A 3 A 4 A 5

grid-column-end:

  -1 4 -5 -4 -3 -2 A -1 B -1 A -2 A -3 A -4 A -5 A B A 1 A 2 A 3 A 4 A 5