C111123313121111121111331333132313331323133313331211111132233131   >>    C11112331312111112111133133313231333132313331333121111113223313   <<    C111123313121111121111331333132313331323133313331211111132233133   >>      C111123313121111121111331333132313331323133313331211111132233132   >>