Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.918652844722
Darker point darker score: 0.960983345743
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2ZMZDOTHBMUCK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QW1C79IH4GOG
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1RU9BQLDZ1DSY (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: ALD23FVE83N6N
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2ZRJMJTE6ID97
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3FVPDNQQLDFZH
(0: guessing, 1: probably, 2: definitely)