SEC. 2. The Municipality of Banisilan shall be bounded as follows:
"The point of origin is the intersection of Malitubog River and Cotabato-Lanao del Sur provincial boundary, point (1) ; thence following the Cotabato-Lanao del Sur provincial boundary in an easterly direction to the junction of Kalawaeg and Maridagao Rivers, a common point boundary of Cotabato-Lanao del Sur and Bukidnon provinces, point (2) ; thence southerly following the Maridagao River downstream to its junction with Tumagak Creek, point (3) ; thence southwesterly in an imaginary straight line to the peak of Kitubod Range, point (4); thence continue in the same direction in an imaginary straight line to the center of Malitubog River, the common boundary of Carmen and Libungan municipalities, point (5) ; thence northerly following the upstream course of Malitubog River to its intersection with Cotabato-Lanao del Sur provincial boundary, to point of origin."