INNER_LEFT
The stairs turn inwards to the left. The missing section of the stairs will only occupy 1/8 of the full block, rather than 1/4 (2/8), like the straight stairs.
The turn will be in the opposite direction to the INNER_RIGHT turn.
The stairs turn inwards to the left. The missing section of the stairs will only occupy 1/8 of the full block, rather than 1/4 (2/8), like the straight stairs.
The turn will be in the opposite direction to the INNER_RIGHT turn.