6 5 8 6 4 July 8, 2019 16 32 64 128 6 5 8 4 6 7 6 5 8 6 3 4 6 5 6 8 1 4 5 8 6 4 height difference 5 8 6 4 9 5 8 6 4 2 6 5 8 4 1 2 6 5 8 4 3 7 6 5 8 4 1 3 8 6 7 5 6 4 sequence 5 8 6 4 12
