Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.916100529484
Darker point darker score: -0.286540185274
darker: 2 (eq: False, dd: False), confidence: 1, worker: A22BAUES1TIZS6
darker: 2 (eq: False, dd: False), confidence: 2, worker: A14BFNH96MJQH
darker: 2 (eq: False, dd: False), confidence: 2, worker: ATPCAF2RU1G4C (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 2 (eq: False, dd: False), confidence: 0, worker: AFO6OUDRVZ317
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3LHITZX5D9J9A
darker: 1 (eq: False, dd: True), confidence: 2, worker: AP29T5XPOQKG2 (marked invalid)
(0: guessing, 1: probably, 2: definitely)