Start at half the largest number on the grid.

Halve it.

Take the square root.

Multiply by 16.

Halve it.

Halve it again.

Triple it.

Subtract the sum of the digits.

Add the product of the digits.

Move to the product of the digits.

Add the absolute difference of the digits.

Move to the sum of the digits.

Multiply by 11.

Subtract the sum of the digits.

Move to an adjacent square number.

Move to the sum of the digits.

Triple it.

Triple it again.

Subtract the sum of the digits.

Take the square root.

Raise to the power of 3/2.

Add the product of the digits, then to that number add the absolute difference of its digits.

Move to the sum of the digits.

Subtract a quarter of the number.

Multiply by 10 and add 2.

Reverse the digits.

Add to this number the units (ones) place divided by the tens place.

Reverse it.

Add the absolute difference of the digits.

Subtract 31.

Move to the sum of the digits.

Move to the product of the digits.

Multiply by 6.

Multiply by the units digit, then subtract the difference of the resulting digits.

Replace the units digit by the absolute difference of the digits, then reverse the number.

Add to this number the sum of its digits.

Subtract the addition of the digits and then subtract one.

Add 2^4.

Find the sum of the digits, subtract one, then multiply by 5.

Add x(x-3) where x equals the tens digit.

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