Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.06880161447
Darker point darker score: 0.987279275838
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2S9J5W3VOD0M6
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3SOJXAUQE15S3
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 1 (eq: False, dd: True), confidence: 2, worker: AFO6OUDRVZ317
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3QJ53C8CUTJTS (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)