Builder: Mission has started.

Architect: We'll start with a line of three red bricks

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

Architect: On top of them,

Architect: make a line of four red bricks

Architect: (the extra one will hang off the right)

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

Architect: Cool,

Architect: now on the third layer,

Architect: add three more bricks

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

Architect: They will be above the three on the first layer

Architect: Nice.

Architect: Now remove the middle block of the 3x3 square

Builder: pick red 0 2 0

Architect: Great!

Architect: Now on the third layer,

Architect: in front of the top left brick,

Architect: add a purple brick

Builder: place purple -1 3 1

Architect: Awesome!

Architect: Now add two bricks on top of the purple

Architect: (both will be purple)

Builder: place purple -1 4 1, place purple -1 5 1

Architect: The three purple bricks will be the right side of a 3x3 square

Builder: place purple -2 5 1, place purple -2 4 1, place purple -2 3 1, place purple -3 5 1, place purple -3 4 1, place purple -3 3 1

Architect: Please complete the square,

Architect: with no middle block

Builder: pick purple -2 4 1

Architect: Perfect.

Architect: Now on the top and bottom of the purple square,

Architect: add one more purple brick

Builder: place purple -2 2 1, place purple -2 6 1

Architect: Good work