Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.892079554337
Darker point darker score: 0.357077612309
darker: 2 (eq: False, dd: True), confidence: 2, worker: A237FGJCPV99GJ
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1NO4LG6KGOGFD
darker: 1 (eq: False, dd: False), confidence: 2, worker: AAC5XT7UY7B2K
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3D2AKUFNQD73Y
darker: 2 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UKUFHOITA6JF
(0: guessing, 1: probably, 2: definitely)