Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -1.18861217906
Darker point darker score: -0.943268725244
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3JSQQSFSORW59 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1P2EVJXWYR94M (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3UIVQJXY62XU8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3O8YXPG1HGUH0
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1136V0RZUR5TO
darker: 2 (eq: False, dd: False), confidence: 1, worker: A277RSAE4AKWW0
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)