Color classification
[Log color] KN1X-A1 bookcase * 2
"Log color" KN4X-A1 bookcase
[Log color] KN1X-A1 bookcase * 1
[Log color] KN2X-A1 bookcase * 1
[Log color] KN3X-A1 bookcase * 1 + KN4X-A1 bookcase * 1
[Log color] KN3X-A1 bookcase * 1
[Log color] KN1X-A1 bookcase * 1 + KN2X-A1 bookcase * 1
[Log color] KN1X-A1 bookcase * 1 + KN3X-A1 bookcase * 1
[Log color] KN2X-A1 bookcase * 1 + KN3X-A1 bookcase * 1
[Log color] KN1X-A1 bookcase * 1 + KN2X-A1 bookcase * 1 + KN3X-A1 bookcase * 1
[Log color] KN1X-A1 bookcase * 1 + KN2X-A1 bookcase * 1 + KN3X-A1 bookcase * 1 + KN4X-A1 bookcase * 1
[Log color] KN2X-A1 bookcase * 2