Crawling:d=4,o=6,b=140:a.5,8a_5,a.5,8a_5,2a.5,8p,8a_5,a.5,8a_5,a.5,8a_5,8a5,2g5,p,a.5,8a_5,a.5,8a_5,2a.5,8p,8a_5,a.5,8a_5,a.5,8a_5,8a5,2g5,c,1a5