(;GM[1]FF[4]SZ[19]
GN[Variation: shortage of liberties]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem51/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem51/Solution

Variation: shortage of liberties]
PL[W]

AB[ia][hb][jb][nb][qb][jc][lc][qc][ld][nd][pd][je][me][ne][oe][qe]
AW[ja][pa][kb][lb][pb][mc][nc][oc][pc][md][od]
LB[la:a]

;W[mb]C[W1]MN[1]
;B[ma]C[B2]MN[2]
;W[oa]C[W3]MN[3]
;B[ka]C[B4]MN[4]
;W[na]C[W5]MN[5]

;LB[la:a]
)
