[使用: 工作台]

Conglomerate Bricks * 6

↓

Conglomerate Brick Stairs * 4

[使用: 切石机]

Conglomerate Bricks * 1

↓

Conglomerate Brick Stairs * 1

[使用: 切石机]

Conglomerate * 1

↓

Conglomerate Brick Stairs * 1