b2001 b2002 b2003 b2004 b2005 b2006
b2001 0 48.0832611206852 884.526992239355 2229.98565017805 1394.98709671452 947.974683206255
b2002 48.0832611206852 0 160.436903485451 13.7840487520902 37.7888872553824 1170.3785712324
b2003 884.526992239355 160.436903485451 0 50.7346035758633 11.2249721603218 1590.44553506242
b2004 2229.98565017805 13.7840487520902 50.7346035758633 0 19.3390796058137 368.678721924659
b2005 1394.98709671452 37.7888872553824 11.2249721603218 19.3390796058137 0 109.799817850486
b2006 947.974683206255 1170.3785712324 1590.44553506242 368.678721924659 109.799817850486 0