Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.897889249766
Darker point darker score: 0.0948717382671
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3DKW5X4Y1Z6UD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QJ53C8CUTJTS (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1SRPH3BGCHUOA
darker: 1 (eq: False, dd: True), confidence: 0, worker: AH8FQGOADPCST (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A234WZ4KX8IW07
darker: 1 (eq: False, dd: True), confidence: 2, worker: AKG5TLUQ2WWED
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)