b1938 b1939 b1940 b1941 b1942 b1943
b1938 0 1.41421356237309 3.87298334620742 5.91607978309962 12 14.8660687473185
b1939 1.41421356237309 0 1.41421356237309 3.46410161513775 13.9642400437689 11.3137084989848
b1940 3.87298334620742 1.41421356237309 0 2.44948974278318 4.89897948556636 9.53939201416945
b1941 5.91607978309962 3.46410161513775 2.44948974278318 0 5.47722557505166 7.41619848709566
b1942 12 13.9642400437689 4.89897948556636 5.47722557505166 0 3
b1943 14.8660687473185 11.3137084989848 9.53939201416945 7.41619848709566 3 0