Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.918314266454
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A2H4ON6BUHMY1L (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3QW1C79IH4GOG
darker: E (eq: True, dd: None), confidence: 2, worker: A39RDIT0ZMOQFK
darker: E (eq: True, dd: None), confidence: 2, worker: AYD3RXE17K2CF
darker: E (eq: True, dd: None), confidence: 2, worker: A3R5MEKMYYM2JX
darker: E (eq: True, dd: None), confidence: 1, worker: AE6N096CSI5HT
(0: guessing, 1: probably, 2: definitely)