Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.879732834051
Darker point darker score: 0.132623642724
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2FQSVTAOL5GUC
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1LAC2M11NC968
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1JEDFDBWHLA1F
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1136V0RZUR5TO
(0: guessing, 1: probably, 2: definitely)