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Change bottom/double slabs to top slabs

Change Redstone Block to TNT
Change White Terracotta to Cherry Slab

Change Calcite to Cherry Slab
Change Gray Terracotta to Cherry Log
Change Cobweb to Mushroom Stem
Change Glow Lichen to Verdant Froglight
Change Oak Leaves to Bamboo Blocks

Change Birch Log to Polished Diorite Slab
Change Diorite Slab to Polished Diorite Slab
Change Diorite to Polished Diorite Slab
Change Sea Lantern to Polished Diorite Slab

Change Sand to Sandstone Slab

Change Cobblestone to Gray Wool (noob line) or Cobblestone Slab (other lines)
Change Dirt to Jungle Slab (avoids changes to Grass blocks)
Change Ice to Packed Ice (avoids melting)

Fix Mushroom Stem adjacent properties
Generate embedded preview (needs custom Litematica fork)

[Experimental] Optimize height of black wool

• This may reduce schematic height at small differences.