b0422 b0421 b0420 b0419
b0422 0 3.46410161513775 4 3496.30519262835
b0421 3.46410161513775 0 2.44948974278318 3256.87089090127
b0420 4 2.44948974278318 0 1951.31366007621
b0419 3496.30519262835 3256.87089090127 1951.31366007621 0