Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.274195283781
Darker point darker score: -0.0760141757877
darker: 2 (eq: False, dd: True), confidence: 1, worker: A14V0QYZOJJATJ
darker: 1 (eq: False, dd: False), confidence: 2, worker: AAOTQL1SCAC03
darker: E (eq: True, dd: None), confidence: 1, worker: A2RA4A0LLQLGUW
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3MWV912LNFD67
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2KFG0H3IXPFM9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1CV8APDA7Y2PI
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1BTE6I49HJW2V (marked invalid)
(0: guessing, 1: probably, 2: definitely)