b1587 b1588 b1589 b1590 b1591
b1587 0 1 3 7.48331477354788 53.3291665038935
b1588 1 0 2 5.29150262212918 13.856406460551
b1589 3 2 0 2 16.9115345252878
b1590 7.48331477354788 5.29150262212918 2 0 1.73205080756888
b1591 53.3291665038935 13.856406460551 16.9115345252878 1.73205080756888 0