Transposition of art
It is a congenital condition where the pulmonary artery (which normally arises from the right) will come out of the left ventricle.
And the aorta which normally arises from the left ventricle comes out of the right. This is incompatible with life due to deoxygenated blood circulating in the systemic circ. In corrected tga the ventricles switch which now allows for two wrongs to make a right.