(;GM[1]FF[4]SZ[11]
GN[Connections a=1, b=2, c=3]
PC[https://senseis.xmp.net/?TwoSquares]AP[GoWiki:2009]
DT[2020-09-23]
C[Diagram from https://senseis.xmp.net/?TwoSquares

Connections a=1, b=2, c=3]
PL[B]

AB[bc][cc][cd][be][ce][ee][fe][bf][ef][gf][cg][dg][eg][fg][gg][bh][bi][fi][gi][ii][ji][cj][dj][ej][gj][hj][ij]
CR[ac][ge][cf][ah][ch][ci][ei][ak][gk][kk]
LB[bd:a][ff:a][bg:c][bj:b][fj:b][jj:a]
LN[ac:ae][ae:ce][ce:cc][cc:ac][af:ah][ah:ch][ch:cf][cf:af][ee:eg][eg:gg][gg:ge][ge:ee][ai:ak][ak:ck][ck:ci][ci:ai][ei:ek][ek:gk][gk:gi][gi:ei][ii:ik][ik:kk][kk:ki][ki:ii]


;CR[ac][ge][cf][ah][ch][ci][ei][ak][gk][kk]
LB[bd:a][ff:a][bg:c][bj:b][fj:b][jj:a]
LN[ac:ae][ae:ce][ce:cc][cc:ac][af:ah][ah:ch][ch:cf][cf:af][ee:eg][eg:gg][gg:ge][ge:ee][ai:ak][ak:ck][ck:ci][ci:ai][ei:ek][ek:gk][gk:gi][gi:ei][ii:ik][ik:kk][kk:ki][ki:ii]
)
