Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.918954066877
Darker point darker score: -0.964461370445
darker: 1 (eq: False, dd: False), confidence: 1, worker: A0339715IMIIMD5R04VT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1KITOCUU7GERN
darker: 1 (eq: False, dd: False), confidence: 1, worker: A12DV2RIAQPV5J
darker: 2 (eq: False, dd: True), confidence: 1, worker: A47MKFPE4RROA (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2CQLD1RK8ZQ7D
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1WRANKL1HRGYW
darker: 2 (eq: False, dd: True), confidence: 2, worker: A21AVVEQUEX7DA (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1TKGFJSMVR2RP
(0: guessing, 1: probably, 2: definitely)