Grid: 96, 21, 99, 24|93, 24, 96, 27|90, 27, 93, 30|87, 30, 90, 33|84, 33, 87, 36|81, 36, 84, 39|78, 39, 81, 42|75, 42, 78, 45|72, 45, 75, 48|69, 48, 72, 51|66, 51, 69, 54|63, 54, 66, 57|60, 57, 63, 60|57, 60, 60, 63|54, 63, 57, 66|51, 66, 54, 69|48, 69, 51, 72|45, 72, 48, 75|42, 75, 45, 78|39, 78, 42, 81|36, 81, 39, 84|33, 84, 36, 87|30, 87, 33, 90|27, 90, 30, 93|24, 93, 27, 96|21, 96, 24, 99