Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.910800493541
Darker point darker score: -0.00560916900852
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2LFAOKT0F1ZW4
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2DTELFC4X0QJQ
darker: 2 (eq: False, dd: False), confidence: 1, worker: A239TEQ5BUWBM
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A90QPQO48C6RX
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2A42CU48PN8CX
(0: guessing, 1: probably, 2: definitely)