Река

using System;

class Program
{
    static int[,] river =
        {
        {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
        {0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,1,0,0,0,1,1,1,1,1,1,1,0,0,1,1,1,0,1,1,1,1,1,1,0,0},
        {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
        {0,0,0,0,1,1,0,0,0,0,1,1,1,0,0,1,1,1,1,1,0,0,0,1,1,0,0,1,1,1,1,0,1,1,0,0,1,1,0,0},
        {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
        {0,0,1,1,1,1,0,0,1,1,0,0,1,1,1,1,0,0,1,1,0,0,1,1,1,0,0,0,1,1,0,0,1,1,1,1,1,1,1,0},
        {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
        {1,1,1,1,1,1,0,0,0,0,1,1,1,0,0,1,1,1,1,1,0,0,0,1,1,0,0,1,1,1,1,0,1,1,0,0,1,1,0,0},
        {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
        };

    static int[] side = new int[river.GetLength(1)];

    static void IceColor()
    {
        Console.ForegroundColor = ConsoleColor.Cyan;
        Console.BackgroundColor = ConsoleColor.Cyan;
    }
    static void WaterColor()
    {
        Console.ForegroundColor = ConsoleColor.DarkBlue;
        Console.BackgroundColor = ConsoleColor.DarkBlue;
    }

    static void SideColor()
    {
        Console.ForegroundColor = ConsoleColor.DarkGreen;
        Console.BackgroundColor = ConsoleColor.DarkGreen;
    }

    static void DrawRiver()
    {
        for (int row = 0; row < river.GetLength(0); row++)
        {
            for (int col = 0; col < river.GetLength(1); col++)
            {
                if (river[row, col] == 1)
                {
                    IceColor();
                    Console.Write(river[row, col]);
                }
                else
                {
                    WaterColor();
                    Console.Write(river[row, col]);
                }

            }
            Console.WriteLine();
        }
    }

    static void DrawSide()
    {
        for (int col = 0; col < side.Length; col++)
        {
            SideColor();
            Console.Write(side[col]);
        }
        Console.WriteLine();
    }

    static void Main()
    {

        DrawSide();
        DrawRiver();
        DrawSide();
        Console.ResetColor();
    }
}