smelt=
    ae2:sky_stone_block -> ae2:smooth_sky_stone_block

shapeless=
    ae2:smooth_sky_stone_block -> ae2:sky_stone_brick
    
shapeless=
    ae2:sky_stone_brick -> ae2:sky_stone_small_brick

shapeless=
    ae2:sky_stone_small_brick -> ae2:smooth_sky_stone_block
