C111123313121111121111331333133313331333133313331333133313331323331323313321   >>    C11112331312111112111133133313331333133313331333133313331333132333132331332   <<    C111123313121111121111331333133313331333133313331333133313331323331323313323   >>      C111123313121111121111331333133313331333133313331333133313331323331323313322   >>