Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.334155708449
Darker point darker score: 0.977205178453
darker: 2 (eq: False, dd: True), confidence: 1, worker: AAY0XUI4OLPOK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A287QNZ2AOSKPT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NJB5LJJPC7AS
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1E9VI5RSZI31F
darker: E (eq: True, dd: None), confidence: 1, worker: A1KF93C9NTOP42
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A237FGJCPV99GJ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1ABA3S1BGNCWW
(0: guessing, 1: probably, 2: definitely)