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Dec 13th VH
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cgordon



Joined: 04 May 2007
Posts: 769
Location: ontario, canada
PostPosted: Thu Dec 13, 2007 11:03 pm    Post subject: Reply with quote
Alan: I should explain my xy-wing which is different from Johan's.

there's a <46> pivot in R5C4 which sees the <42> in R3C4 & the <26> in R6C6 - this removes the <2> in R4C4. Hope I writ that right.

For me it was harder to spot the two quads <1467> in C7 and <2378> in C2.
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