x1=(−21−23i)31+9105−3(−21−23i)31+910522=
36(1+3i)2(9+105)32332(−833+(1+3i)2(9+105)32)2=
-2.29715650817742 + 1.20562515060291*i
y1=(−21−23i)31+9105−3(−21−23i)31+91052=
6(1+3i)39+10533(833−(1+3i)2(9+105)32)=
-0.385458498529624 - 1.56388451052696*i