Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.912032763044
Darker point darker score: -1.03876200051
darker: 1 (eq: False, dd: False), confidence: 1, worker: A11GWWAXRJQ6Y2 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: False), confidence: 1, worker: AX720MTAR52TX
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2BG6O1B5B3F78
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1GVN53BJRWKD2
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A29WHBX4Y40L08 (marked invalid)
(0: guessing, 1: probably, 2: definitely)