(;GM[1]FF[4]CA[UTF-8]AP[Sabaki:0.52.0]KM[0.5]SZ[19]DT[2021-08-25]AB[je][jf][kg][hg][gh][gi][gj][hj][ij][ii][jj][ki][lj][lh][mh][nh][oh][og][mf][nf][ne][fg][hf][kk]AW[gg][gf][if][ig][hh][ih][jh][kh][ji][hi][lg][lf][mg][ng][kf][ke][me][ld][of][pf][pe][pg][ph][pi][ni][oi][fh][eg][dd][fj][ej][dj][ch]C[After black 1, white captured a stone with 2 instead of extending at the X position or capturing at K13.
How can you (as black) capture the large central white group (marked by triangles)?]TR[hh][hi][if][ig][ih][jh][ji][kh]LB[je:1][ld:2]MA[kd](;B[he];W[jg](;B[ie];W[kg](;B[kd];W[le](;B[lc];W[md](;B[nd]C[RIGHT])(;B[mc];W[nd]))(;B[md];W[lc]))(;B[md]C[ko]))(;B[kd];W[ie];B[jd];W[id]))(;B[kd];W[jg](;B[he];W[ie];B[jd];W[id];B[hd](;W[kc])(;W[ic]))(;B[ie];W[he])(;B[md];W[he]))(;B[ie];W[he])(;B[jg];W[ie];B[jd];W[kd];B[he];W[id];B[jc];W[ic];B[ff];W[ge];B[hd];W[hc];B[gd];W[fe];B[jb];W[gc])(;B[ff];W[he];B[jg];W[jd])(;B[nd];W[jd](;B[ie];W[he])(;B[he];W[ie])(;B[jg];W[he]))(;B[ge];W[he]))