Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0528406994488
Darker point darker score: 0.216773071637
darker: 1 (eq: False, dd: True), confidence: 1, worker: AQAKW9NW6Z61T
darker: 2 (eq: False, dd: False), confidence: 0, worker: AUJPYSYU7YL5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A2ZMZDOTHBMUCK
darker: 1 (eq: False, dd: True), confidence: 1, worker: APWBUB0PDRLS5
darker: E (eq: True, dd: None), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3GFISRU6V2MG5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
darker: E (eq: True, dd: None), confidence: 1, worker: A1Y5DMCQYLVL74
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1KITOCUU7GERN
(0: guessing, 1: probably, 2: definitely)