some pieces added in their all versions ;
bgrnd --> background
bwb --> brown[bgrnd] white beshop
wwb--> white white beshop
bbb --> brown bgrnd black beshop
wbb --> white bgrnd black beshop
bbr -> brown bgrnd black rook
bwr -> .. ,, white rook
wbr -> white bgrnd black rook
wwr--> white bgrnd white rook
Pawn
bbp
bwp
wbp
wwp
--------
in BINS
browns and white bgrnd
WS --> white square
Bs--> white Square