b1166 b1164 b1165 b1167
b1166 0 695.374719126314 470.199957464907 550.154523747646
b1164 695.374719126314 0 140.285423334001 132.99624054837
b1165 470.199957464907 140.285423334001 0 1656.99517199055
b1167 550.154523747646 132.99624054837 1656.99517199055 0