Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.258251116689
Darker point darker score: 0.250590390191
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2MZLVT9DB9MGK
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3JKYHQMKDV1Y9
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1TM1ZFU4OIPTD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NBD6P0INJB4G
darker: E (eq: True, dd: None), confidence: 2, worker: A1MQPBGSL800TL
(0: guessing, 1: probably, 2: definitely)