Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.0601119478585
Darker point darker score: -0.00173707344084
darker: 1 (eq: False, dd: False), confidence: 1, worker: A6KUVG49ZZ40M (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3RNCUQDU5AVEI
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3GFISRU6V2MG5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1P2EVJXWYR94M (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: AKLZPOBB3YA33
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2YYHNACJ8MFTU
darker: E (eq: True, dd: None), confidence: 1, worker: A1JEDFDBWHLA1F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1P2EVJXWYR94M (marked invalid)
(0: guessing, 1: probably, 2: definitely)