Common typos: bbbbbjjbbbbjjbbbbbkbbbbbjhbbbbbjubbbbbjmbbbbbjnbbbbbjibbbbbjjnbbbbjjvbbbbjjhbbbbjjgbbbbjjbnbbbjjbvbbbjjbhbbbjjbgbbbjjbbnbbjjbbvbbjjbbhbbjjbbgbbjjbbbnbjjbbbvbjjbbbhbjjbbbgbjjbbbbnjjbbbbvjjbbbbhjjbbbbgjjbbbbbkjbbbbbhjbbbbbujbbbbbmjbbbbbnjbbbbbibjbbbbjjbbbbjbkjbbbbbjjkbbbbbjhjbbbbbjjhbbbbbjujbbbbbjjubbbbbjmjbbbbbjjmbbbbbjnjbbbbbjjnbbbbbjijbbbbbjjibbbbbjjbnbbbbjjvbbbbbjjbvbbbbjjbhbbbbjjgbbbbbjjbgbbbbjjbbnbbbjjbbvbbbjjbbhbbbjjbbgbbbjjbbbnbbjjbbbvbbjjbbbhbbjjbbbgbbjjbbbbnbjjbbbbvbjjbbbbhbjjbbbbgbjjbbbbbnjjbbbbbvjjbbbbbhjjbbbbbgjjbbbbbkjjbbbbbjkjbbbbbjhjbbbbbujjbbbbbjujbbbbbmjjbbbbbjmjbbbbbjnjbbbbbijjbbbbbjijjbbbbbjjbbbbbbjjbbbbbjj