A 10-year-old boy, who was outdoors in Windy and cold weather, developed pain and tingling in his fingers and toes when he returned home. His parents noticed that the tips of his fingers and toes were white and their sensitivity was lost. As the affected areas were warming up the fingers and toes developed tingling and painful sensations. Skin pallur changed into redness, tingling stopped. Mild itching and swelling of the fingers appeared. Determine the frostbite degree in this child: