Beg to differ. I think how and why we go wrong can be more or less interesting.
I ignored the directions of adding them from L to R and T to B, realizing the order is entirely flexible when only addition is in play. Basically the same way Shaman did it.
I ignored the directions of adding them from L to R and T to B, realizing the order is entirely flexible when only addition is in play. Basically the same way Shaman did it.