Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.936423717711
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A2YYHNACJ8MFTU
darker: E (eq: True, dd: None), confidence: 2, worker: A2P3JDCCY0EH5G
darker: E (eq: True, dd: None), confidence: 2, worker: A1NJB5LJJPC7AS
darker: 1 (eq: False, dd: True), confidence: 2, worker: AR50UBGSH10FJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)