Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.925711477278
Darker point darker score: 0.224364030465
darker: 1 (eq: False, dd: True), confidence: 2, worker: A13KNTN4K1EZ9J (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: True), confidence: 2, worker: A18WZ06GBK6FGZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: AKZ8SFOAI4RZN
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: A1K3QJM1Q770Y (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A27H0BKXDPJ543
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
(0: guessing, 1: probably, 2: definitely)