2+3i,2−3i2+3 i, 2-3 i2+3i,2−3i
3+2l,3−2i3+2 l, 3-2 i3+2l,3−2i
4+2l,4−2i4+2 l, 4-2 i4+2l,4−2i
2+4i,2−4i2+4 i, 2-4 i2+4i,2−4i
