(;GM[1]FF[4]SZ[19]
GN[Subtype]
PC[https://senseis.xmp.net/?ObliqueFort]AP[GoWiki:2009]
DT[2019-05-13]
C[Diagram from https://senseis.xmp.net/?ObliqueFort

Subtype]
PL[B]

LB[qn:a]

;B[dp]C[B1]MN[1]
;W[od]C[W2]MN[2]
;B[dd]C[B3]MN[3]
;W[qo]C[W4]MN[4]

;LB[qn:a]
)
