Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.966595699193
Darker point darker score: -0.0570982807317
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3CB0SM114NJVL
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1SRPH3BGCHUOA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A296XYM32AH03K
darker: 2 (eq: False, dd: False), confidence: 2, worker: ANE1T9B3JJAS5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AFH7YHIYLMGFY
(0: guessing, 1: probably, 2: definitely)