Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.882505054992
Darker point darker score: 0.909500598536
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2EKPA2DR5VSA8
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2A42CU48PN8CX
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: 1 (eq: False, dd: True), confidence: 2, worker: AWL4VD8C90KJR (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3UZV2WVMQO4Q9 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)