About half of Maruyama 's survivors were ordered to retreat back to the upper Matanikau Valley while the 230th Infantry Regiment under Colonel Toshinari Shōji was told to head for Koli Point , east of the Lunga perimeter .
About half of Maruyama 's survivors were ordered to retreat back to the Matanikau Valley . The 230th Infantry Regiment under Colonel Toshinari Shōji was told to go to Koli Point , east of the Lunga perimeter .