(;GM[1]FF[4]SZ[19]
GN[Equivalent]
PC[https://senseis.xmp.net/?Corridor]AP[GoWiki:2009]
DT[2019-12-22]
C[Diagram from https://senseis.xmp.net/?Corridor

Equivalent]
PL[B]

AB[di][ei][fi][gi][hi][li][mi][ni][oi][pi][pj][dk][ek][fk][gk][hk][lk][mk][nk][ok][pk]
AW[ci][ii][ki][qi][cj][ij][kj][lj][qj][ck][ik][kk][qk]
CR[lj][pj]


;CR[lj][pj]
)
