(;GM[1]FF[4]SZ[19]
GN[Volume 1, Problem 38, choice ''b'']
PC[http://senseis.xmp.net/?WholeBoardThinkingInJoseki]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?WholeBoardThinkingInJoseki

Volume 1, Problem 38, choice ''b'']
PL[B]

AB[ec][pd][pp]
AW[hc][cd][dp]

;B[fd]C[B1]MN[1]
;W[df]C[W2]MN[2]
;B[cb]C[B3]MN[3]
;W[cj]C[W4]MN[4]

;
)
