Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.0426055139
Darker point darker score: 0.325715019148
darker: 2 (eq: False, dd: True), confidence: 2, worker: AOKJCDRWBS5MK
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3128LS551616K
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3LNPBZXHKKAA7
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Q1A5H715C3EK
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
(0: guessing, 1: probably, 2: definitely)