9(6(3,4(2(1,9),1)),7(5,8))
9(6(3,4(2(-1,-11),1)),7(5,8))
9(6(3,4(2(1(0,/_),9(0,/_)),1(0,/_))),7(5(0,/_),8(0,/_)))
9(6(3,4(2(-1(0,/_),-11(0,/_)),1(0,/_))),7(5(0,/_),8(0,/_)))
9(6(3,4(2(1(-2,3),9(0,5)),1(4,0))),7(5(0,6),8(0,/_)))
9(6(-3,4(2(-1(0,5),-11(5,0)),1(-4,-8))),7(5(-1,/_),8(-2,-3)))