!newcounter<@sc> !newcounter<@scp> !newcounter<@t> !newlength !newlength !newlength !newlength !newlength !newlength !newsavebox !def!bezier#1(#2,#3)(#4,#5)(#6,#7)!c@@t!z@ !put(#2,#3)!do !advance!c@@t!@ne>>>