tform
probability 0.5
matrix_3d 0.5 0 0 0 0.5 0 0 0 0.5

tform
probability 0.5
matrix_3d 0.5 0 0 0 0.5 0 0 0 0.5
translate 1 0 0


tform
probability 0.5
matrix_3d 0.5 0 0 0 0.5 0 0 0 0.5
translate 0 1 0

tform
probability 0.5
matrix_3d 0.5 0 0 0 0.5 0 0 0 0.5
translate 0 0 1