Solution code: Rows 2 and 3
on 17. September 2020, 22:28 by argl
what is 'independent of each other', not orthogonally adjacent? or can they be orthogonally adjacent in columns
on 13. September 2020, 02:11 by panthchesh
Fun puzzle Thanks!! :)
on 12. September 2020, 18:46 by JonnyKaufman
Great idea, and lovely execution. Thanks!
on 12. September 2020, 18:07 by TimE
Cool variant on the thermo!
on 12. September 2020, 08:59 by Narayana
@Reverend: Very nice idea and execution.
Alternative title: Incan Mask?
https://www.pinterest.ca/pin/483222235000199851/
@stefliew: Thank you; your comment below intrigued me and brought me here!
on 12. September 2020, 08:41 by Reverend
Removed Tag
on 11. September 2020, 20:56 by stefliew
Marvellous idea. I like having a 1 at the end of a thermo.