30*30*1.7*6000 100
30*30*2.2*6000 100
40*40*2.5*6000 100
40*40*2.75*6000 100
40*40*3.0*6000 64
40*40*3.5*6000 100
40*40*3.7*6000 64
40*40*3.75*6000 64
50*50*2.0*6000 36
50*50*2.5*6000 36
50*50*2.75*6000 36
50*50*3.0*6000 49
50*50*3.5*6000 64
50*50*3.75*6000 36
60*60*2.0*6000 36
60*60*2.2*6000 36
60*60*2.75*6000 36
60*60*3.0*6000 36
60*60*3.5*6000 49
60*60*3.75*6000 36
60*60*4.5*6000 36
60*60*4.75*6000 64
80*80*2.5*6000 25
80*80*2.75*6000 25
80*80*3.5*6000 36
80*80*3.75*6000 25
80*80*4.75*6000 25
80*80*5.5*6000 25
80*80*5.75*6000 25
80*80*7.75*6000 25
00 16
100*100*2.75*6000 16
100*100*3.0*3000 16
100*100*3.75*6000 16