b0001 b0002 b0003 b0004
b0001 0 135.469553775009 64.6993044784872 125.610509114485
b0002 135.469553775009 0 1.41421356237309 2
b0003 64.6993044784872 1.41421356237309 0 1
b0004 125.610509114485 2 1 0