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UR+SL: Mike Barker's UR+2D/1SL

 
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Tue Nov 01, 2011 5:37 am    Post subject: UR+SL: Mike Barker's UR+2D/1SL Reply with quote

This pattern is what started my posting this series of UR+SL patterns. It was in a recent "Other Puzzles" puzzle.

===== ===== ===== ===== Mike Barker's UR+2D/1SL

Code:
Diagonal bivalues and one SL in [c1] or [r5]
+--------------+
|  .   .   .   |
| 12   .   2X-1|
|  .   .   .   |
+--------------+
|  .   .   .   |
| 12Y  .  12   |<  SL on <1>   -or-
|  .   .   .   |
+--------------+
   ^               SL on <1>


 2x SL  variant  -- with SLs in [c3] and [r5]
+--------------+
|  .   .   .   |
| 12   .  2X-1 |
|  .   .   .   |
+--------------+
|  .   .   .   |
| 2Y-1 .  1-2  |<  SL on <1>
|  .   .   .   |
+--------------+
           ^       SL on <1>

Puzzle from Mike Barker's "zoo" collection:

Code:
....7....2.......9.612.987........2...3.61.94..9..86..3....4...95.3........7.....

 +--------------------------------------------------------------+
 |  45    9     8     |  16    7     3     |  245   146   126   |
 |  2     3     7     |  168   1458  56    |  45    146   9     |
 |  45    6     1     |  2     45    9     |  8     7     3     |
 |--------------------+--------------------+--------------------|
 |  6     4     5     |  9     3     7     |  1     2     8     |
 |  8     2     3     |  5     6     1     |  7     9     4     |
 |  7     1     9     |  4     2     8     |  6     3     5     |
 |--------------------+--------------------+--------------------|
 |  3     7    *26    |  168   158   4     |  9     1568 *26+1  | <  SL on <2>
 |  9     5     246   |  3     18    26    |  24    18    7     |
 |  1     8    *26+4  |  7     9     256   |  3     456  *26    |
 +--------------------------------------------------------------+
 # 42 eliminations remain

 r79c39  <26> UR via s-link              <> 2    r9c3
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