00:22 You can see A=1, B=2 on the wall So you don't know if that's correct yet, but for now you can think the rule A=1, B=2, C=3, D=4, G=5... 03:38 And the clue to the left handcuff is written in the mirror E+G+G=19 (5+7+7=19) Now you can untetstand what English characters exactly mean after freeing your left hand 06:04 The clue to the right handcuff is here 1E+2G+3G = 40 (5+2*7+3*7=40)