5 4 next to 6 1 July 8, 2019 16 32 64 128 5 4 to 6 1 5 4 to 6 1 height difference 5 4 to 6 10 5 4 to 6 11 5 4 compared to 6 10 5 4 6 12 5 4 6 15 5 4 6 16 5 4 6 12 triangle puzzle 5 4 6 1 2 3 5 4 6 1 3
