[Test] public void EnumBitIndices()
{
const string bitstr0 = "100100010100110010110";
var bits0 = Bit.Parse(bitstr0);
var bitidxs = new[] { 1, 2, 4, 7, 8, 11, 13, 17, 20 };
var idxs = Bit.EnumBitIndices(bits0).ToArray();
Assert.True(bitidxs.SequenceEqual(idxs));
}