Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.136196477653
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A1A8QC2RMP3LBO
darker: E (eq: True, dd: None), confidence: 0, worker: A3HIIRTGJUJZ1D
darker: 2 (eq: False, dd: True), confidence: 1, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 0, worker: A1E4M8ET704NBF
darker: 2 (eq: False, dd: True), confidence: 1, worker: AUYT5ZSI71W6Q (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A3R5MEKMYYM2JX
darker: 2 (eq: False, dd: True), confidence: 2, worker: AO1T9KG7VR0P5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: ASJ2RFXCJT1T8
(0: guessing, 1: probably, 2: definitely)