I stand humbly corrected
@Al**
:O
There is indeed a special "draw your map on this paper" for Chiang Mai Immigrations.
I received several messages about it from people up there after I posted.
Sorry I don't have it and none of the people who did message me had a copy of this "magic map paper" either
guess you pick it up when you go there .
Thanx one and all for the comments (which I deleted as it was a cluster-f*ck to read thru) :O
Take care, good luck, stay safe.