Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.928660979202
Darker point darker score: 0.240912229437
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1GM94HPPS4SS0
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1AXIY3LLO186R
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1TIL0S71V1JA0
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2ZRJMJTE6ID97
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1N274L13ZKKI5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
(0: guessing, 1: probably, 2: definitely)