a | 5 0 0 0 1 4 3 0 1 3 0 c | 0 0 0 0 2 1 0 0 1 0 0 g | 0 1 0 1 2 0 0 4 2 2 0 t | 0 4 5 4 0 0 2 1 1 0 5