C111123313121111121111331333133313331333132233133313113313231333131   >>    C11112331312111112111133133313331333133313223313331311331323133313   <<    C111123313121111121111331333133313331333132233133313113313231333133   >>      C111123313121111121111331333133313331333132233133313113313231333132   >>