b2808 b2904 b2903 b2905
b2808 0 999.986499908874 2047.00708352463 396.338239386512
b2904 999.986499908874 0 6.32455532033676 1
b2903 2047.00708352463 6.32455532033676 0 102.562176263962
b2905 396.338239386512 1 102.562176263962 0