<parent>	bwv-1006a_2g	bwv-1006a_4g	bwv-1006a_6g
bwv-1006a_1	bwv-1006a_3	bwv-1006a_5	bwv-1006a_7
bwv-1006a_1g	bwv-1006a_3g	bwv-1006a_5g	bwv-1006a_7g
bwv-1006a_2	bwv-1006a_4	bwv-1006a_6