Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.927317905895
Darker point darker score: 0.00994129522338
darker: 2 (eq: False, dd: True), confidence: 2, worker: A5R9TAN5DI19I (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1QIZATKBF64SO
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2K9VAUQ9I7CLT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1ITTM18PQP5X8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7PVOM63I6UH5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2XU16B4I9XQG5 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A32M5FDKCPHMA
(0: guessing, 1: probably, 2: definitely)