Builder: Mission has started.

Architect: hi

Builder: hey

Architect: put down a row of 7 red blocks

Builder: place red 3 1 -1, place red 2 1 -1, place red 1 1 -1, place red 0 1 -1, place red -1 1 -1, place red -1 2 -1, place red -2 1 -1, place red -3 1 -1, pick red -1 2 -1

Architect: then an orange on one end

Builder: place orange -3 2 -1

Architect: on top of one end

Architect: ya

Architect: then another one diagonally upwards and to the left

Builder: orange still?

Architect: yea

Builder: place orange -3 3 -1, place orange -2 3 -1, pick orange -3 3 -1

Architect: do the same again

Architect: to build a staircase

Builder: place orange -1 3 -1, place orange -1 4 -1, pick orange -1 3 -1

Architect: now do that on the other end of the red row as well

Architect: so another staircase

Builder: place orange 3 2 -1, place orange 2 2 -1, place orange 2 3 -1, pick orange 2 2 -1, place orange 2 4 -1, place orange 1 4 -1, pick orange 2 4 -1

Architect: nice

Architect: now one purple between the two top orange blocks

Architect: but one layer above them

Builder: place purple 1 5 -1, place purple 0 5 -1, pick purple 1 5 -1

Architect: nice

Architect: then a row of two purple blocks going left

Architect: and starting from the top of the block you just placed

Builder: to make a corner?

Architect: yes

Builder: place purple 0 6 -1, place purple 1 6 -1

Architect: and we are done!

Architect: gg

Builder: easy