1*3,2*3,3*3,4*3,5*3,6*3,7*3,8*3,9*3,10*3,11*3,12*3,13*3,14*3,15*3,16*3,17*3,18*3,19*3,20*3,21*3,22*3,23*3,24*3,25*3,26*3,27*3,28*3,29*3,30*3,31*3,32*3