Builder: Mission has started .

Architect: this one is a spiral .

Architect: start on the right edge ,

Architect: and build a 9 block line going left in green

Builder: place green -5 1 -1, place green -4 1 -1, place green -3 1 -1, place green -2 1 -1, place green -1 1 -1, place green 0 1 -1, place green 1 1 -1, place green 2 1 -1, place green 3 1 -1

Architect: now 9 green blocks up on teh left side

Architect: ( 8 new ones )

Builder: place green 3 2 -1, place green 3 3 -1, place green 3 4 -1, place green 3 5 -1, place green 3 6 -1, place green 3 7 -1, place green 3 8 -1, place green 3 9 -1

Architect: okay

Architect: now a line going right and red ,

Architect: to the end of the green line

Builder: place red 2 9 -1, place red 1 9 -1, place red 0 9 -1, place red -1 9 -1, place red -2 9 -1, place red -3 9 -1, place red -4 9 -1, place red -5 9 -1

Architect: now red goes down ,

Architect: but leave a space above the green block

Builder: place red -5 8 -1, place red -5 7 -1, place red -5 6 -1, place red -5 5 -1, place red -5 4 -1, place red -5 3 -1

Architect: purple left ,

Architect: leaving a space before the green line

Builder: place purple -4 3 -1, place purple -3 3 -1, place purple -2 3 -1, place purple -1 3 -1, place purple 0 3 -1, place purple 1 3 -1, place purple 1 4 -1, place purple 1 5 -1, place purple 1 6 -1, place purple 1 7 -1

Architect: yellow is the next l

Builder: place yellow 0 7 -1, place yellow -1 7 -1, place yellow -2 7 -1, place yellow -3 7 -1, place yellow -3 6 -1, place yellow -3 5 -1

Architect: two orange blocks right

Architect: and then taht's it

Architect: left

Builder: sorry 

Builder: place orange -2 5 -1, place orange -1 5 -1

Architect: that's it !

Builder: knew what you meant