1 2 3
#j#両面印刷プリンタ用中綴じ (Unite 2 pages): n 1 2 n-1 n-2 3 n-3 4 -> #4to1 2-sided prining with [Unite 2 pages]:n 1 2 n-1 n-2 3 n-3 4 -> Mv-=z,v&=3,y+=v,z+=3,z/=4;x+=2,y-=2;y,x,x+1,y-1;