!! Warning: This hanjie is a linea, it is only logical with the constraint that the picture consists of a single curved line, thus each black cell has exactly two of its four nearby cell blacks (except the two ends) !!

I am sure some people are dreaming about it...

You can play the first season of "Linea" to perform your skills.

Difficulty : *****

Tested, logical (as a linea).
Edge-logic can be usefull.
We can use the same trick as for the number 15: no segments can cross right through a line where there is no 1 (especially usefull in columns C8 and C11).
Good blackenage.