(;GM[1]FF[4]SZ[19]
GN[Black try 2]
PC[https://senseis.xmp.net/?BeginnerExercise143/Solution]AP[GoWiki:2009]
DT[2024-09-12]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise143/Solution

Black try 2]
PL[B]

AB[nm][kn][pn][rn][no][jp][kp][np][lq][nq][pq][qq][pr][rr][sr][qs]
AW[in][ip][op][pp][qp][rp][iq][jq][oq][rq][kr][or]

;B[nr]C[B1]MN[1]
;W[os]C[W2]MN[2]
;B[ps]C[B3]MN[3]
;W[ns]C[W4]MN[4]

;
)
