Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 1.01135420046
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A123O5ZRPVIQBN
darker: 1 (eq: False, dd: True), confidence: 0, worker: ABC27RCVTNR5C (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2KFG0H3IXPFM9 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: A2A42CU48PN8CX
darker: E (eq: True, dd: None), confidence: 2, worker: A1SRPH3BGCHUOA
darker: E (eq: True, dd: None), confidence: 2, worker: AEHEZAYCPWF0E
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2EY9GDVA7L8YM (marked invalid)
(0: guessing, 1: probably, 2: definitely)