Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.892467759482
Darker point darker score: 0.235148487651
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: True), confidence: 2, worker: A5YNMUFWH5Z7K
darker: 1 (eq: False, dd: True), confidence: 1, worker: A235ULDV4XUVDM
darker: 2 (eq: False, dd: False), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3KUGXG2Y6X7BD
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1RDQFNF6LD25Z
(0: guessing, 1: probably, 2: definitely)