println "         b1                      b2                      diff A                  diff B"
[
    [b1:     20,               b2:     45             ],
    [b1:    -45,               b2:     45             ],
    [b1:    -85,               b2:     90             ],
    [b1:    -95,               b2:     90             ],
    [b1:    -45,               b2:    125             ],
    [b1:    -45,               b2:    145             ],
    [b1:     29.4803,          b2:    -88.6381        ],
    [b1:    -78.3251,          b2:   -159.036         ],
    [b1: -70099.74233810938,   b2:  29840.67437876723 ],
    [b1:-165313.6666297357,    b2:  33693.9894517456  ],
    [b1:   1174.8380510598456, b2:-154146.66490124757 ],
    [b1:  60175.77306795546,   b2:  42213.07192354373 ]
].each { bearings ->
    def (b1,b2) = bearings.values().collect{ it as double }
    printf ("%22.13f  %22.13f  %22.13f  %22.13f\n", b1, b2, angleDifferenceA(b1, b2), angleDifferenceB(b1, b2))
}