(;FF[Slither]SZ[13]EV[ut.slither.1217.1.1]PB[eratosthenes]PW[William Fraser]SO[https://www.littlegolem.net];W[gg];B[swap];W[gj];B[ggfhjj];W[ii];B[fhggji];W[iiihjh];B[jjkikh];W[ihjgkg];B[jiihej];W[gjhjji];B[kijjed];W[hjhifi];B[jjiiij];W[hihhhg];B[khlgig];W[fifhie];B[gghfif];W[hggfge];B[edfche];W[gehdid];B[fcgdge];W[gffegb];B[lgkfgc];W[iejffb];B[hfiefc];W[feedeb];B[kfjeec];W[eddcdb];B[gdhchb];W[fbgaha];B[ecfbfa];W[dcedgd];B[gcfdfe];W[fhfiil];B[ejfkgk];W[figjhj];B[gkhkik];W[hjgkgm];B[fkglhl];W[ilhmim];B[hkilfl];W[gjfkfm];B[ikjljm];W[gkhkik];B[iljkjj])