What is the penalty for incest in NC?

What is the penalty for incest in NC? 

Incest Crime & Punishment in North Carolina :
Severity Punishment
Class B1 felony STATUTORY Minimum sentence of imprisonment is 25 years (defendant is give life w/o parole if victim under 12 or if defendant has prior B1 conviction )
Class C felony STATUTORY 44 to 182 months in prison
Class F felony 10 to 41 months in prison