... ,316,409,430,etc a)Round:9.5,12.7,16,17,17.5,18,19,20,22,21,25,28,31.8,36,38 ... ,48,50.8,60,63,76,89,101.6 ... ,114,133b)Square:10*10,12.7*12.7,15*15,17*17,18*18,19*19,20*20,22*22,23 ... *23,24*24,25*25,28*28,30*30,36*36,38 ... *10,23*11,24*12,25*13,30*15,30*20,40*20,34*22,36*23,38*25,50*25,60*30, 75*45 ...