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