private static WC7[] GetWC7DB(ReadOnlySpan <byte> wc7bin, ReadOnlySpan <byte> wc7full) => WC7Full.GetArray(wc7full, wc7bin);
private static WC7[] GetWC7DB(byte[] wc7bin, byte[] wc7full) => WC7Full.GetArray(wc7full, wc7bin);