S851: bla ma rgyal ba'i dus mchod rims pa dang/ khyad du 'phags pa rgyud sde bzhi yi bdag bsrung ma bskang ba'i rim pa phran tshegs la/ rdo rje gdan gyi chos grwa chen po 'dir/ rang cag sa skya'i grub mtha' bzhugs rnams long/ yid ches [...]