1 2 3
#j#ʈv^p{*(Unite 2 pages): 3 * 1 2 7 4 5 6 -> #4to1 2-sided prining with [Unite 2 pages]:3 * 1 2 7 4 5 6 11 8 9 -> Mz+=4,z/=4;x+=4;x+2,x-1[x,x+1]