20v18w,2vw,f,2w,13f,2w,vw,f,w,2f,11w,2f,w,vw,f,w,f,2w,9f,2w,f,w,vw,f,w,f,w,2f,7w,2f,w,f,w,vw,f,w,f,w,f,2w,5f,2w,f,w,f,w,vw,f,w,f,w,f,w,2f,3w,2f,w,f,w,f,w,vw,f,w,f,w,f,w,f,w,a,2f,w,f,w,f,w,f,w,vw,f,w,f,w,f,w,2f,w,2f,w,f,w,f,w,f,w,vw,f,w,f,w,f,2w,3f,2w,f,w,f,w,f,w,vw,f,w,f,w,2f,5w,2f,w,f,w,f,w,vw,f,w,f,2w,7f,2w,f,w,f,w,vw,f,w,2f,9w,2f,w,f,w,vw,f,2w,11f,2w,f,w,vw,2f,13w,2f,w,v2w,15f,2w,vv,17w,2v20v20v16917041
