Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.072639756521
Darker point darker score: 0.913373078034
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1NZVXB0S8DR04
darker: E (eq: True, dd: None), confidence: 2, worker: A2YYHNACJ8MFTU
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: AFO6OUDRVZ317
darker: 1 (eq: False, dd: True), confidence: 2, worker: AU4FF0366TBAR (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1A50D6DABL6IK
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1BTE6I49HJW2V (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A216863E5VMFSV (marked invalid)
(0: guessing, 1: probably, 2: definitely)