A Round

Part 1: Glue Up (82 layers, 41 left/right)
Step 1: 82 to 41
Step 2: 41 to 20
Step 3: 20 to 10
step 4: 10 to 5
step 5: 5 to 3
step 6: 3 to 2
step 7: 2 to 1