C111123313121111121111331333133313331323112113313231333132213231322321131   >>    C11112331312111112111133133313331333132311211331323133313221323132232113   <<    C111123313121111121111331333133313331323112113313231333132213231322321133   >>      C111123313121111121111331333133313331323112113313231333132213231322321132   >>