b2551 b2552 b3829 b4019
b2551 0 8.24621125123532 385.320645696542 3440.59529732864
b2552 8.24621125123532 0 3546.62346464916 3135.92251179776
b3829 385.320645696542 3546.62346464916 0 2732.4501825285
b4019 3440.59529732864 3135.92251179776 2732.4501825285 0