public void Test_CheckCountOfSellsOfMatrix_ShouldReturnCorectSize()
{
List <int[]> firstBlocks = new List <int[]>()
{
new[] { 1, 2, 3, 4, 5 }, new[] { 1, 2, 3, 4 }
};
int sellsCount = LegoBlocks.FindCountOfSells(firstBlocks);
Assert.AreEqual(9, sellsCount);
}