(;GM[1]FF[4]SZ[19]
GN[White connects]
PC[https://senseis.xmp.net/?BeginnerExercise171/Solution]AP[GoWiki:2009]
DT[2024-09-14]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise171/Solution

White connects]
PL[B]

AB[bb][cb][hb][ac][cc][dc][gc][hc][bd][ce][fe][he][df][ff][fg][hg][eh]
AW[db][fb][gb][ec][cd][dd][ed][be][ef][cg][dg][gh][di][ei][fi][cj]

;B[ee]C[B1]MN[1]
;W[de]C[W2]MN[2]
;B[eg]C[B3]MN[3]
;W[cf]C[W4]MN[4]

;
)
