Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.108722439267
Darker point darker score: 0.971244863778
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3FVPDNQQLDFZH
darker: E (eq: True, dd: None), confidence: 0, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1HZWAX6XQXIM7
darker: 1 (eq: False, dd: True), confidence: 2, worker: AW0K78T4I2T72
darker: E (eq: True, dd: None), confidence: 2, worker: A2BO99N00BQSB7
darker: E (eq: True, dd: None), confidence: 2, worker: AG5PRN6LLI9E1
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3PKLLRKQ7VUVN (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A35Y9YHW91OY2U (marked invalid)
(0: guessing, 1: probably, 2: definitely)