Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.905156927734
Darker point darker score: 0.173531113335
darker: 2 (eq: False, dd: True), confidence: 2, worker: A106BTOUPN1KRV
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2OXOBEWY5V44S
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2A42CU48PN8CX
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3NBD6P0INJB4G
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A10QRO2MWG7AZ7
(0: guessing, 1: probably, 2: definitely)