(;FF[POLYOMINO]SZ[12]VA[SMALL]EV[polyomino.ld.SMALL]PB[Ralf]PW[Rolle]SO[https://www.littlegolem.net];O[eeedec|hhhggh];B[swap];O[ffgfggfg];B[fieiehfj];O[dfdgcgdh];B[ifieheid];O[fbgbhbhc];B[gdfdfcgc];O[eadadbcb];B[jcjbibia];O[cicjdjej];B[ekdkckbk];O[fkflgkgj];B[iiijikhk];O[hliljlkl];B[jgkgkhjh];O[lkljlikj];B[ajaiahag];O[bfafaebe];B[eb];O[ji];B[dcddcdde];O[ihig];B[bcbbbaca];O[jfjejd];B[kalalb];O[kclcld];B[faga];O[hi];B[kdke];O[pass];B[gl];O[pass];B[pass])