how to solve the puzzle at https://www.puzzleprime.com/brain-teasers/practical/one-to-eight

one-to-eight.txt

How to solve the puzzle at https://www.puzzleprime.com/brain-teasers/practical/one-to-eight/

FIRST  TASK:
Initial state
Front side         Back side
1 8 7 4            . . . .
2 3 6 5            . . . .

Fold a) along the vertical line that runs over 8 and 3 and b) along the vertical line that runs between 8 and 7
1 87 4            . . .
2 36 5            . . .

Fold along the horizontal line that runs between 1 and 2
1 87 4            5 63 2

Fold along the vertical line that runs between 1 and 8
87 4              5 1

Fold along the vertical line that runs between 7 and 4
87                4

Tuck the two squares with the digits 4 and 5
between the two half squares with the digits 3 and 6

You are done!




SECOND TASK:
Initial state
Front side         Back side
1 8 2 7            . . . .
4 5 3 6            . . . .

Fold along the vertical line that runs over 8 and 5
. 1 8              8 2 7
. 4 5              5 3 6

Fold along the horizontal line that runs between 1 and 4
. 1 8              5 4 .

Fold along the vertical line that runs between 3 and 6
1 8                5 .

Fold along the vertical line that runs between 1 and 8
1                  84.

Tuck the two squares with the digits 6 and 7
between the two half squares with the digits 5 and 8

You are done!