(;FF[Slither]SZ[13]EV[ut.slither.452.2.1]PB[Zugzwang]PW[Marius Halsor]SO[https://www.littlegolem.net];W[ma];B[swap];W[fi];B[malbii];W[figjik];B[lbkcdj];W[gjfkdl];B[djeigk];W[fkgjej];B[gkfjfi];W[gjgkgl];B[iijjjk];W[ikjljm];B[jkklll];W[glhkji];B[llkmli];W[jlkklk];B[jjikij];W[hkgjii];B[likihj];W[ejfkgi];B[eifhhi];W[jiihfe];B[fighhh];W[iijhge];B[kijjhe];W[ihhgjg];B[fhggie];W[hghfgf];B[heifee];W[jhighg];B[fjeief];W[gfheec];B[iehded];W[gefdfc];B[eiehcc];W[gifhfg];B[hdgegf];W[hfieff];B[kcjcgd];W[heidgc];B[ifhehd];W[idhcim];B[heidic];W[gjhkjk];B[kmjlil];W[fheikm];B[jjkjhl];W[gkflhm];B[hlgmll];W[hkhllm];B[llmmml];W[kkllmk];B[ehdigl];W[flgkhk];B[diejek];W[eidjfl];B[hhgiel];W[dlemfm];B[higjcm];W[fgehdm];B[efdgcl];W[djdkdl];B[ejdick];W[ehdhdj];B[dicjci];W[feefdi];B[dgchcg];W[efdgce];B[eedfcf];W[fdfede];B[cccdef];W[gcfdfg];B[cdbebf];W[cebddc];B[becdcc];W[bdbece];B[bfaeeg];W[dccbfh];B[ekejad];W[dgehaa];B[eddcbd];W[ecdbda];B[dcebec];W[cedddc];B[ccbbba];W[cbbcac];B[bacbcc];W[aabaca];B[resign])