C111123313121111121111331323133313331333132333133313121111331333133313332331321   >>    C11112331312111112111133132313331333133313233313331312111133133313331333233132   <<    C111123313121111121111331323133313331333132333133313121111331333133313332331323   >>      C111123313121111121111331323133313331333132333133313121111331333133313332331322   >>