Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0359663476247
Darker point darker score: 0.0166440027165
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3JBYH487KC02U
darker: 1 (eq: False, dd: True), confidence: 2, worker: A258PTOZ3D2TQR
darker: E (eq: True, dd: None), confidence: 2, worker: A2A1D52ZPSW6L9
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1SRPH3BGCHUOA
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)