Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0356305850695
Darker point darker score: 0.0872062500707
darker: E (eq: True, dd: None), confidence: 1, worker: A3RNCUQDU5AVEI
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2EPRPJA681I8X
darker: 1 (eq: False, dd: False), confidence: 1, worker: AIKBREX7SEPXE
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1E9VI5RSZI31F
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3PEMQP28HYGHU
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)