Builder: Mission has started.

Architect: alright,

Architect: start with a 3x3 hollow square of green blocks near the center

Builder: place green 1 1 2, place green 0 1 2, pick green 0 1 2, pick green 1 1 2, place green 1 1 1, place green 0 1 1, place green -1 1 1, place green -1 1 0, place green -1 1 -2, place green 1 1 0, place green 1 1 -1, pick green -1 1 -2, place green 0 1 -1

Architect: now, a row of 3 green blocks above and to the right of the square,

Architect: like a 3-wide staircase

Builder: place green -1 2 0, place green -2 2 0, pick green -1 2 0, place green -2 2 -1, place green -2 2 1

Architect: continue that staircase with two more rows of green blocks

Builder: place green -3 2 0, place green -3 3 0, place green -4 3 0, place green -4 4 0, pick green -3 2 0, pick green -4 3 0, place green -3 3 -1, place green -4 4 -1, place green -3 3 1, place green -4 4 1

Architect: remove the center of the 2nd highest step

Builder: pick green -3 3 0

Architect: okay, good!

Architect: diagonally from the closest left corner of the original square,

Architect: place a blue block

Builder: place blue 1 2 -1, place blue 2 2 -1, pick blue 1 2 -1

Architect: whoops, sorry,

Architect: it should be on the ground

Builder: pick blue 2 2 -1, place blue 2 1 -2

Architect: perfect!

Architect: stack two more blue blocks on top of it

Builder: place blue 2 2 -2, place blue 2 3 -2

Architect: place another blue block on the ground in front of you,

Architect: so it's diagonal from the other blue blocks, with a one tile gap

Builder: place blue 1 1 -3

Architect: yep!

Architect: and extend that bottom row with one more block

Builder: place blue 0 1 -3

Architect: sorry,

Architect: that should be one space closer to you

Builder: pick blue 0 1 -3, place blue 1 1 -4

Architect: and diagonal,

Architect: so one space to the right of that

Builder: pick blue 1 1 -4, place blue 0 1 -4

Architect: yep!

Architect: make that last blue block a pillar of 3

Builder: place blue 0 2 -4, place blue 0 3 -4, place blue 2 3 -3, place blue 1 3 -3, pick blue 2 3 -3

Architect: looks perfect!

Architect: all done with this one

Builder: nice