Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0271921877803
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 1, worker: A106BTOUPN1KRV
darker: 1 (eq: False, dd: True), confidence: 1, worker: AXCPRXO08DFAH (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1RHI1ARUZZKGP
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1A50D6DABL6IK
darker: E (eq: True, dd: None), confidence: 2, worker: AET2U31SXUAPM
darker: 1 (eq: False, dd: True), confidence: 2, worker: A27H0BKXDPJ543
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)