1 2 3
#j#ʐ{/2e +1 (Unite 2 pages): 1 2 5 6 9 10 13 14 -> #4to1/2e 2-sided prining with [Unite 2 pages]:1 2 5 6 9 10 13 14 -> Mz+=3,z/=4;x+=4;x,x+1;