Arbitrage outcomes schemes:

   Win1 - Win2    (Win1 - LayWin1)

   Win1 - Draw - Win2

   Win1&Draw - 12 - Win2&Draw

   AH1(0) - Win2 - Win2&Draw

   Win2 - Draw - AH1(0)

   AH1(-0.25) - AH2(0) - AH2(+0.5)

   AH1(+0.25) - AH2(0) - AH2(-0.5)

   AH1(-0.25) - AH2(-0.5) - AH2(+0.5)

   AH1(+0.25) - AH2(-0.5) - AH2(+0.5)

   AH1(-0.25) - Draw - Win2

   AH1(+0.25) - Draw - Win2

   AH1(-0.25) - AH1(+0.25) - AH2(0)