Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.932929503758
Darker point darker score: 0.246968435271
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1N274L13ZKKI5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A234WZ4KX8IW07
darker: E (eq: True, dd: None), confidence: 2, worker: A7PVOM63I6UH5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A42CU48PN8CX
darker: 2 (eq: False, dd: True), confidence: 2, worker: ADPVKKFJ886DJ
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: True), confidence: 2, worker: AY4PUTE2I6K3C (marked invalid)
(0: guessing, 1: probably, 2: definitely)