(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[https://senseis.xmp.net/?BeginnerExercise342/Solution]AP[GoWiki:2009]
DT[2023-02-28]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise342/Solution

Solution]
PL[W]

AB[iq][jq][kq][lq][nq][er][fr][gr][hr][kr][mr][nr]
AW[ip][jp][kp][lp][mp][np][pp][cq][dq][eq][fq][gq][hq][mq][oq][dr][lr][or][cs][es][ls][ms][ps]

;W[js]C[W1]MN[1]
;B[ks]C[B2]MN[2]
;W[ir]C[W3]MN[3]
;B[ns]C[B4]MN[4]

;
)
