(;FF[CATCHUP]SZ[6]VA[STANDARD]EV[catchup.ch.1.1.1]PB[ypercube]PW[Jos Dekker]SO[https://www.littlegolem.net];B[ee];W[dhfg];B[gdcf];W[efde];B[dgfc];W[fdec];B[dffe];W[hchdge];B[gchb];W[bfbgch];B[bece];W[afaebd];B[ehbh];W[egcg];B[ffgf];W[ggcdfb];B[gadc];W[dded];B[hffagb];W[ebea];B[ahbiid];W[cifh];B[diaghe];W[dbei];B[ccibic];W[iaha];B[ieie];W[ai])