Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.200237735163
Darker point darker score: 0.932153538609
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3I546VTF7B6YX
darker: E (eq: True, dd: None), confidence: 1, worker: A234WZ4KX8IW07
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 2 (eq: False, dd: True), confidence: 1, worker: AX720MTAR52TX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2BYJ41HX5ZUCW (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1XVZCQ983ETMR
(0: guessing, 1: probably, 2: definitely)