b1891 b1892 b3025 b3026
b1891 0 2 2791.54401720625 2159.84351284995
b1892 2 0 2899.88965307303 2980.48485988438
b3025 2791.54401720625 2899.88965307303 0 1
b3026 2159.84351284995 2980.48485988438 1 0