private void Solve_Part_NotConnectedbutOnlyBlockSetIsConnected()
{
if (_currentColor.IsConnected)
{
return;
}
var possibleSpots = _oppositeItems.Where(o => o.Colors.Any(cc => cc.MyColor == _currentColor.MyColor && cc.Count > 0)).ToList();
var idxList = new IndexList(possibleSpots.Select(c => c.Index));
if (idxList.Count == _currentColor.Count + 1 && idxList.IsConnected)
{
FillCells(new List <int> {
idxList.Min(), idxList.Max()
});
}
}