orotate(out) + nicotinate(in) = orotate(in) + nicotinate(out)
orotate(out) + nicotinate(in) = orotate(in) + nicotinate(out)
orotate(out) + nicotinate(in) = orotate(in) + nicotinate(out)
orotate(out) + nicotinate(in) = orotate(in) + nicotinate(out)