(;GM[1]FF[4]SZ[19]
GN[Nastiness]
PC[http://senseis.xmp.net/?BeginnersMistakes]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnersMistakes

Nastiness]
PL[W]

AB[lp][mp][pp][nq][oq][qq][rr]
AW[mq][pq][lr][nr][or][pr][qr]
CR[nq][oq]
SQ[pp]

;W[qp]C[W1]MN[1]
;B[rq]C[B2]MN[2]
;W[op]C[W3]MN[3]

;CR[nq][oq]
SQ[pp]
)
