private WaypointsDifficulty(IBitReader reader)
{
Header = reader.ReadUInt16();
ActI = ActIWaypoints.Read(reader);
ActII = ActIIWaypoints.Read(reader);
ActIII = ActIIIWaypoints.Read(reader);
ActIV = ActIVWaypoints.Read(reader);
ActV = ActVWaypoints.Read(reader);
reader.Align();
reader.AdvanceBits(17 * 8);
}