Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.00816063929197
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A350DTTUYQLHKJ
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2V9WRIAL9CJZT
darker: 1 (eq: False, dd: False), confidence: 1, worker: A27H0BKXDPJ543
darker: E (eq: True, dd: None), confidence: 2, worker: A7S0IDTDA59QN
darker: E (eq: True, dd: None), confidence: 1, worker: APWBUB0PDRLS5
(0: guessing, 1: probably, 2: definitely)