(;
GM[1]
SZ[19]
AW[db][eb][ed][fd][gd][lc][qi][pm][qn][po][dp][dj]
AB[cb][bc][dc][dd][ee][fe][gc][nc][pd][qd][qo][qp][pq][nq][qg]
TR[qg]
C[Supplement to Problem 13: The joseki.  

When the marked stone is in place, ... ]
;B[ql]
TE[2]
C[... Black 1 is the start of a middle-game joseki (See Get Strong at Invading, Problems 27, 30, 33, 36, 39, and 42.). ]
;W[rm]
C[After White 2, ... ]
;B[pj]
LB[rj:A]
C[... Black 3 or A are joseki moves. <= ]
)
)