Tricky but completely logical. Thanks!

Perfect. It was difficult. thanks.

Challenging, but one unique solution. Thank you for the puzzle!

WOW! I must have done this about 20 times until I got the correct solution. Well done. Brilliant test of cognitive function!!!

All this serie puzzles are very good. A bit challenging but logical and perfect. Thanks.

A few hours later... but it is perfect.

WOW - Thank You.