Boots - A fish counting game

You plant your boots in the rocks and slide down the bank to the river. At the edge you notice some large boulders in the water. You see the color of the fish running near the edge of the third boulder. Hmm… if you make your way across the rocks, you may be able to count better. You pause, taking notice of the speed of the current. You step carefully on the first rock. The wind blows across your brow. Nervous, you carefully step to the second. You look down and the current in front of your boots...