Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.931179107299
Darker point darker score: 0.0816305874698
darker: 1 (eq: False, dd: False), confidence: 1, worker: AU4FF0366TBAR (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: AY2CT54659MP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD3A4YDWWZCY (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 0, worker: A2D8467K5MUNYA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A1D52ZPSW6L9
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)