Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.190625736974
Darker point darker score: -0.165244569984
darker: 1 (eq: False, dd: True), confidence: 1, worker: AULC5HR1BBHMA
darker: 2 (eq: False, dd: False), confidence: 1, worker: A266KTWY0HBD2F
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1BP3FCJIWJXPB (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1E9VI5RSZI31F
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3RJ8NZQ8BRTZM (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A3799NWTIYKCEV
darker: E (eq: True, dd: None), confidence: 2, worker: A1MQPBGSL800TL
darker: E (eq: True, dd: None), confidence: 0, worker: A35Y9YHW91OY2U (marked invalid)
(0: guessing, 1: probably, 2: definitely)