b1243 b1244 b1245 b1246 b1247
b1243 0 1.73205080756888 4.89897948556636 3.46410161513775 6
b1244 1.73205080756888 0 1.73205080756888 2.82842712474619 5.91607978309962
b1245 4.89897948556636 1.73205080756888 0 1 4.47213595499958
b1246 3.46410161513775 2.82842712474619 1 0 2
b1247 6 5.91607978309962 4.47213595499958 2 0