This is an extra post for any sysudokies working up Maestro 4 for color bridging. After

1: NWm=>Wm, Sm.  2: Cm. 3:NWm=>Wm, Sm.  4: NEm=>Em.  5: SW5=>Sm.

6: Nm=>Cm, SWm.   7:  Nc5np67.  8: 

9: NE9=>(SEm, NE4=>(NW4m, NE5m=>E5m), NE2m), Cm.

the grid should be:

Line marking results will be in the next post.  Naked pairs do the elimination work, and we end with many bv’s and slinks.  I completed rows first and closed with three columns.