▁H itting ▁the ▁moon ▁( s ic ) ▁is ▁and ▁optional ▁rule . ▁Conf using ly , ▁sometimes ▁the ▁name ▁Black ▁Lady ▁is ▁given ▁to ▁this ▁game ▁and ▁sometimes ▁Black ▁Lady ▁is ▁called ▁Black ▁Maria . ▁ ▁Can cellation ▁He arts ▁▁ ▁Can cellation ▁He arts ▁is ▁first ▁described ▁in ▁ 1 9 5 0 ▁by ▁C ul bert son ▁and ▁is ▁a ▁variant ▁designed ▁for ▁larger ▁numbers ▁of ▁players , ▁typically ▁ 6 ▁to ▁ 1 1 ▁players , ▁using ▁two ▁de cks ▁sh uff led ▁together . ▁If ▁exactly ▁the ▁same ▁card ▁is ▁played ▁twice ▁in ▁one ▁trick , ▁the ▁cards ▁cancel ▁each ▁other ▁out , ▁and ▁neither ▁can ▁win ▁the ▁trick . ▁If ▁two ▁such ▁pairs ▁appear ▁in ▁the ▁same ▁trick , ▁the ▁whole ▁trick ▁is ▁cancel led ▁and ▁the ▁cards ▁are ▁rolled ▁over ▁to ▁the ▁winner ▁of ▁the ▁next ▁trick . ▁ ▁Dom ino ▁He arts ▁ ▁Another ▁variant ▁first ▁noted ▁by ▁F oster ▁in ▁ 1 9 0 9 , ▁the ▁key ▁feature ▁of ▁which ▁is ▁that ▁it ▁is ▁played ▁with ▁a ▁stock . ▁Each ▁player ▁receives ▁six ▁cards ▁and ▁the ▁remainder ▁are ▁placed ▁face ▁down ▁on ▁the ▁table ▁as ▁a ▁stock . ▁When ▁a ▁player ▁is ▁unable ▁to ▁follow ▁suit , ▁he ▁has ▁to ▁draw ▁cards , ▁one ▁at ▁a ▁time , ▁from ▁the ▁stock ▁until ▁he ▁can ▁follow ▁suit . ▁The ▁last ▁player ▁holding ▁cards ▁must ▁pick ▁up ▁any ▁remaining ▁cards ▁in ▁the ▁stock ▁and ▁count ▁them ▁with ▁his ▁tr icks . ▁Every ▁heart ▁taken ▁scores