Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0817237206695
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: AYPRFUHZSRQVN
darker: 1 (eq: False, dd: False), confidence: 2, worker: AH7WFV2TQYEW0 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: ADPVKKFJ886DJ
darker: E (eq: True, dd: None), confidence: 2, worker: A234WZ4KX8IW07
darker: 2 (eq: False, dd: True), confidence: 2, worker: AVJP26EXKPSE1
darker: E (eq: True, dd: None), confidence: 2, worker: A92IZM4P9SJ2S
(0: guessing, 1: probably, 2: definitely)