if(l)z=j2(b?psh(0,i):z,b?z:psh(0,i)),r=j2(r,pop(0,i));y=j2(…
if(l)z=j2(b?psh(0,i):z,b?z:psh(0,i)),r=j2(r,pop(0,i));y=j2(z,y);} z=cll(c);W(i<16){if(l&1<<i)z=j3(psh(0,i),z,pop(0,i));++i;}R j3(y,z,r);}I l(S s,I c){S t=sc(s,c);R t?t-s:0;}
if(l)z=j2(b?psh(0,i):z,b?z:psh(0,i)),r=j2(r,pop(0,i));y=j2(z,y);} z=cll(c);W(i<16){if(l&1<<i)z=j3(psh(0,i),z,pop(0,i));++i;}R j3(y,z,r);}I l(S s,I c){S t=sc(s,c);R t?t-s:0;}