diametro	peso
30	26.0272
31	15.26791
32	22.08965
33	28.18734
34	30.78746
35	21.34869
36	28.41166
37	22.75158
38	32.09704
39	33.63559
40	29.51828
41	31.78456
42	41.52842
43	35.29891
44	52.21277
45	50.18765
46	43.91655
47	58.75191
48	56.79862
49	63.51705
50	64.71929
51	74.74514
52	76.79073
53	80.03901
54	76.75697
55	84.99359
56	80.027
57	94.76382
58	95.56204
59	110.15397
60	101.0427
61	109.33043
62	121.75088
63	102.34181
64	137.76693
65	140.53457
66	142.1752
67	146.57129
68	146.05789
69	157.45922
70	171.14822