diff --git a/HomeWork.cs b/HomeWork.cs
index b316ba4..821b44c 100644
--- a/HomeWork.cs
+++ b/HomeWork.cs
@@ -281,7 +281,61 @@
             }
 
         }
-        
+
+        public int[,] Task_54(int[,] array2d)
+        {
+            for (int i = 0; i < array2d.GetLength(0); i++)
+            for (int j = 0; j < array2d.GetLength(1); j++)
+            for (int k = 0; k < array2d.GetLength(1) - 1; k++)
+                if (array2d[i, k] < array2d[i, k + 1])
+                    (array2d[i, k + 1], array2d[i, k]) = (array2d[i, k], array2d[i, k + 1]);
+
+            return array2d;
+        }
+
+        int i = 0;
+        int row = 0;
+        public int Task_56(int[,] array2d)
+        {
+            
+            int summ = 0, summ1 = 0, summ2 = 0;
+            
+            for(int i = 0; i < array2d.GetLength(0); i++) 
+                for(int j = 0; j < array2d.GetLength(1); j++) 
+                    summ2 += array2d[i, j];  
+                if(summ2 < summ1)
+                   summ = summ2; row = i;
+                summ1 = summ2;
+                
+           return row;
+
+        }
+
+
+        public int[,] Task_62(int n)
+        {
+            int[,] snakeArray = new int[n, n];
+
+            int temp = 1;
+            int i = 0, j = 0;
+            
+            while (temp <= snakeArray.GetLength(0) * snakeArray.GetLength(1))
+            {
+                snakeArray[i, j] = temp;
+                temp++;
+                if (i <= j + 1 && i + j < snakeArray.GetLength(1) - 1)
+                    j++;
+                else if (i < j && i + j >= snakeArray.GetLength(0) - 1)
+                    i++;
+                else if (i >= j && i + j > snakeArray.GetLength(1) - 1)
+                    j--;
+                else
+                    i--;
+            }
+
+            return snakeArray;
+        }
+
 
 
 
diff --git a/README.md b/README.md
index 66402f5..979a79c 100644
--- a/README.md
+++ b/README.md
@@ -36,3 +36,8 @@
 - [X] Task_47
 - [X] Task_50
 - [X] Task_52
+
+## HW7
+- [X] Task_54
+- [X] Task_56
+- [X] Task_62
diff --git a/Start.cs b/Start.cs
index bcf4adf..ed6c451 100644
--- a/Start.cs
+++ b/Start.cs
@@ -37,8 +37,8 @@ public class Start
         Tools myTools = new Tools();
 
         Console.Write("Wich task: ");
-        Console.WriteLine("WH2 is 10, 13, 15");
-        Console.WriteLine("WH3 is 19, 23");
+        Console.WriteLine("WH8 is 54, 56, 62");
+//        Console.WriteLine("WH3 is 19, 23");
         int taskNumver = Convert.ToInt32(Console.ReadLine());
         switch (taskNumver)
         {
@@ -151,9 +151,33 @@ public class Start
                 int[,] data52 = myTools.CreateRandom2dArray(4, 4, 0, 3);
                 myTools.ShowInt2dArray(data52);
                 HW.Task_52(data52);
+                break;
+            
+            
+            case 54:
+                int[,] data54 = myTools.CreateRandom2dArray(5, 5, -10, 10);
+                myTools.ShowInt2dArray(data54);
+                Console.WriteLine("Res array is: ");
+                myTools.ShowInt2dArray(HW.Task_54(data54));
+
+                break;
+            
+            case 56:
+                int[,] data56 = myTools.CreateRandom2dArray(5, 3, 0, 5);
+                myTools.ShowInt2dArray(data56);
+                Console.WriteLine("   ");
+                Console.WriteLine("Max row is: " + HW.Task_56(data56));
                 
                 break;
             
+            case 62:
+                Console.WriteLine("Input N: ");
+                int n = Convert.ToInt32(Console.ReadLine());
+                myTools.ShowInt2dArray(HW.Task_62(n));
+                break;
+
+            
+            
             case 100:
                 int[] data47 = myTools.RiadeLine4data();
                 myTools.ShowInt2dArray(myTools.CreateRandom2dArray(data47[0], data47[1], data47[2], data47[3]));
diff --git a/bin/Debug/net6.0/programming_GB.dll b/bin/Debug/net6.0/programming_GB.dll
index afaf36a..3d33734 100644
Binary files a/bin/Debug/net6.0/programming_GB.dll and b/bin/Debug/net6.0/programming_GB.dll differ
diff --git a/bin/Debug/net6.0/programming_GB.pdb b/bin/Debug/net6.0/programming_GB.pdb
index c30ddae..7ae54a8 100644
Binary files a/bin/Debug/net6.0/programming_GB.pdb and b/bin/Debug/net6.0/programming_GB.pdb differ
diff --git a/obj/Debug/net6.0/programming_GB.dll b/obj/Debug/net6.0/programming_GB.dll
index afaf36a..3d33734 100644
Binary files a/obj/Debug/net6.0/programming_GB.dll and b/obj/Debug/net6.0/programming_GB.dll differ
diff --git a/obj/Debug/net6.0/programming_GB.pdb b/obj/Debug/net6.0/programming_GB.pdb
index c30ddae..7ae54a8 100644
Binary files a/obj/Debug/net6.0/programming_GB.pdb and b/obj/Debug/net6.0/programming_GB.pdb differ
diff --git a/obj/Debug/net6.0/ref/programming_GB.dll b/obj/Debug/net6.0/ref/programming_GB.dll
index dd3ceee..3f3b717 100644
Binary files a/obj/Debug/net6.0/ref/programming_GB.dll and b/obj/Debug/net6.0/ref/programming_GB.dll differ
diff --git a/obj/Debug/net6.0/refint/programming_GB.dll b/obj/Debug/net6.0/refint/programming_GB.dll
index dd3ceee..3f3b717 100644
Binary files a/obj/Debug/net6.0/refint/programming_GB.dll and b/obj/Debug/net6.0/refint/programming_GB.dll differ