Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 1.0324294315
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1ZCYJOVB9YEOW (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A3QISPCNE64DUP
darker: E (eq: True, dd: None), confidence: 1, worker: AWRMHUCV3KAW9
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1GY0P2ZEJ1RK7
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
darker: E (eq: True, dd: None), confidence: 2, worker: AGO9QN7UEDUYL
darker: E (eq: True, dd: None), confidence: 2, worker: A2EY9GDVA7L8YM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A216863E5VMFSV (marked invalid)
(0: guessing, 1: probably, 2: definitely)