C111123313121111121111331333133313331323132333133313121111331333132313221233131   >>    C11112331312111112111133133313331333132313233313331312111133133313231322123313   <<    C111123313121111121111331333133313331323132333133313121111331333132313221233133   >>      C111123313121111121111331333133313331323132333133313121111331333132313221233132   >>