I can try. Let's see...

Code:

select
	case $ = 1
		$s = 'W B',' WB','BW ','B W'
	case $=2
		$s = 'WW BB','WWB B','W BWB',' WBWB','BW WB','BWBW ','BWB W','B BWW','BB WW'
	case $=3


hmmm...this might take a while