Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.189507797361
Darker point darker score: 0.252578348513
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1RU9BQLDZ1DSY (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: AQAKW9NW6Z61T
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3DKW5X4Y1Z6UD
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1JEDFDBWHLA1F
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)