What are limiting flight load factors for FAR $23$ normal category airplanes?

$-1\mathrm{.}52$ to $+3\mathrm{.}8.$

$-1\mathrm{.}76$ to $+4\mathrm{.}4.$

$-1\mathrm{.}76$ to $+3\mathrm{.}8.$

$-3\mathrm{.}0$ to $6\mathrm{.}0.$