Find
4 of the blue blocks of the 12 sewn the first time.
Check that the numbers are in the same corner, and with number
1 at the top and number 4 at the bottom of the stack.
For the third cut, place your ruler as shown in the figure and
cut through the stack.
From the numbered stack of pieces, take three pieces from the
bottom (number 2, 3 and 4) and bring them to the top of that same
stack.
Sew in pairs again.
Do the same one more time with 4 more blocks form the reminding
8 blue blocks.
Put them all away and wait for the next clue.
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