(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?ShikatsuMyokiTsumegoSeries137/Solution]AP[GoWiki:2009]
DT[2012-11-05]
C[Diagram from http://senseis.xmp.net/?ShikatsuMyokiTsumegoSeries137/Solution

Solution]
PL[B]

AB[la][kb][mb][mc][nc][rc][od][pd][qd][rd]
AW[ma][na][nb][pb][rb][oc][pc][qc]

;B[ra]C[B1]MN[1]
;W[sb]C[W2]MN[2]
;B[pa]C[B3]MN[3]
;W[qa]C[W4]MN[4]

;
)
