Builder: Mission has started.

Architect: 2 block wide stairs

Architect: so start with a line of blue blocks

Builder: place blue 0 1 1, place blue 0 1 0

Architect: length two

Architect: yeah

Architect: now another blue line on top of that

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

Architect: above

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

Architect: now another to the right of the last

Builder: place blue -1 2 0, place blue -1 2 1

Architect: yeah

Architect: now a red 2X2 square on top of the blue

Architect: but shifter

Architect: shifted to hang over

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

Architect: yeah

Architect: now a purple square like that

Builder: place purple -2 4 0, place purple -2 4 1, place purple -3 4 1, place purple -3 4 0

Architect: and one more line on top of the purple square

Architect: in purple

Builder: place purple -3 5 0, place purple -3 5 1

Architect: yes