Color classification
Shallow Walnut-Layer 1 [Triangle Bracket]]
White-Layer 1 [Triangle Bracket]]
Black-Layer 1 [Triangle Bracket]]
Shallow walnut-Layer 2 [Triangle Bracket]]
White-Layer 2 [Triangle Bracket]]
Black-Layer 2 [Triangle Bracket]]
Shallow walnut-Layer 3 [Triangle Bracket]]
White-Layer 3 [Triangle Bracket]]
Black-Layer 3 [Triangle Bracket]]