By Sundex

My strat: LEG 1: 000 (soap 1) 875 (soap) 452 <--> SWT <--> FSR (3 dots) 513 (circle) 399 <--> SPN (use circle; get sigil 1) 378 <--> HPL <--> LAV (get pyramid key; use sigil; get tile B)

LEG 2: 001 <--> CHR (get valve) 731 <--> LCR (use valve; use pyramid key; get shutter switch) 731 <--> AWY (get shutter switch; get switch handle) 010 (get 3 gems; get weight stone) 100 <--> FAR (use gem 1; 3 dots; karmic vessel)

LEG 3: 404 (get bell cube) 950 (use bell cube) 840 (get sigil 2) 523 (use weight stone; get weight stone; get plasma vial) 728 <--> SZA (use plasma vial; use weight stone) 523 <--> AQA <--> JTS (use gem 2; use sigil 2) 523 <--> NPG <--> GLO (use soap 1) 438 <--> JSK (get tile C)

LEG 4: 966 <--> WIQ (get chalk) 291 <--> KIM (use chalk; get karma infused chalk) 291 <--> MNT (use gem 3) 000 (solve puzzle) 291 <--> MNT (get dragon tongue 1) 966 <--> WIQ <--> OBS <--> TBK (use karma chalk; use switch handle; get tile A; use vessel; get jug) 628 <--> GZB <--> FUR (use jug; 3 dots) 355 <--> JVP (use 9 dots; use soap 2) 614 (get dragon tongue 2) 103 <--> DEF <--> BRG (use tongues; get tile D) 966 <--> WIQ <--> OBS (use tiles; escape)