,-----------------------------------,
|         2       4           1     | 9 
|                                   | 
| 2           1       2           2 | 8 
|                                   | 
|     3           3                 | 7 
|                                   | 
|                                   | 6
|                                   | 
|     2               4       3     | 5
|                                   | 
| 4       4       4       2         | 4
|                                   | 
|                                   | 3
|                                   | 
| 1       2       3           2     | 2
|                                   | 
|     2                           3 | 1   JCO#1 (9x9 Hashi)
'-----------------------------------'
  a   b   c   d   e   f   g   h   i
    

(3)i1,(3)b7,(4)a4 are good places to start.

The sequence of inferences follow without obstruction,

leading quickly to

,-----------------------------------,
|        *2*=====*4*---------*1*    | 9 
|                 |                 | 
|*2*---------*1*  |  *2*---------*2*| 8 
| |               |   |           | | 
| |  *3*=========*3*  |           | | 7 
| |   |               |           | | 
| |   |               |           | | 6
| |   |               |           | | 
| |   2*-------------*4*=====*3*  | | 5
| |                           |   | | 
|*4*=====*4*-----*4*=====*2*  |   | | 4
| |       |       |           |   | | 
| |       |       |           |   | | 3
| |       |       |           |   | | 
|*1*     *2*-----*3*---------*2*  | | 2
|                                 | | 
|    *2*=========================*3*| 1
'-----------------------------------'
  a   b   c   d   e   f   g   h   i