131 Heavier or Lighter?

Layton's Challenges
The Golden Apple's House


Puzzle 131


Hint 1


Hint 2


Hint 3


Solution

Start with Weighing 1


Weighing 1

Weigh 1 2 3 4 on the left and 5 6 7 8 on the right

If the weights are even go to Weighing 2a
If the left side is lighter go to Weighing 2b
If the right side is lighter go to Weighing 2c


Weighing 2a

Weigh 1 2 3 on the left and 9 10 11 on the right

If the weights are even then weight 12 is the answer
If the left side is lighter go to Weighing 3a
If the right side is lighter go to Weighing 3b


Weighing 2b

Weigh 1 2 9 on the left and 3 4 5 on the right

If the weights are even go to Weighing 3c
If the left side is lighter go to Weighing 3d
If the right side is lighter go to Weighing 3e


Weighing 2c

Weigh 1 2 9 on the left and 3 4 5 on the right

If the weights are even go to Weighing 3f
If the left side is lighter go to Weighing 3g
If the right side is lighter go to Weighing 3h


Weighing 3a

Weigh 9 on the left and 10 on the right

If the weights are even then weight 11 is the answer
If the left side is lighter then weight 10 is the answer
If the right side is lighter then weight 9 is the answer


Weighing 3b

Weigh 9 on the left and 10 on the right

If the weights are even then weight 11 is the answer
If the left side is lighter then weight 9 is the answer
If the right side is lighter then weight 10 is the answer


Weighing 3c

Weigh 6 on the left and 7 on the right

If the weights are even then weight 8 is the answer
If the left side is lighter then weight 7 is the answer
If the right side is lighter then weight 6 is the answer


Weighing 3d

Weigh 1 5 on the left and 3 4 on the right

If the weights are even then weight 2 is the answer
If the left side is lighter then weight 1 is the answer
If the right side is lighter then weight 5 is the answer


Weighing 3e

Weigh 3 on the left and 4 on the right

If the left side is lighter then weight 3 is the answer
If the right side is lighter then weight 4 is the answer


Weighing 3f

Weigh 6 on the left and 7 on the right

If the weights are even then weight 8 is the answer
If the left side is lighter then weight 6 is the answer
If the right side is lighter then weight 7 is the answer


Weighing 3g

Weigh 3 on the left and 4 on the right

If the left side is lighter then weight 4 is the answer
If the right side is lighter then weight 3 is the answer


Weighing 3h

Weigh 1 5 on the left and 3 4 on the right

If the weights are even then weight 2 is the answer
If the left side is lighter then weight 5 is the answer
If the right side is lighter then weight 1 is the answer


Submit Tip

Drag the lightest weight to the answer box before tapping submit


Progress

4983 Picarats and 200 Hint Coins (US)
4973 Picarats and 200 Hint Coins (UK)

130 Too Many Queens 5

132 Princess in a Box 2 (US) / Princess's Escape (UK)