21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved21 + 22 solved