Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0118283461637
Darker point darker score: -0.0799252089
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1ZCYJOVB9YEOW (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: ASOOONBGQ48YI
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: False), confidence: 1, worker: AO6J6WQVRE5YZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2BG6O1B5B3F78
darker: E (eq: True, dd: None), confidence: 2, worker: A3P8OM5PDCFZNE
darker: E (eq: True, dd: None), confidence: 2, worker: A7S0IDTDA59QN
(0: guessing, 1: probably, 2: definitely)