corridors = { -- new connect_to syntax: {x,y,z}=true where x,y,z is a relative coordinates triplet
			{name="X", connect_to = {{1,0,0}=true, {0,0,1}=true, {-1,0,0}=true, {0,0,-1}=true}},
			{name="I", connect_to = {{1,0,0}=true, {-1,0,0}=true}}, -- straight corridor (rotation angle is 0)
			{name="I", connect_to = {{0,0,1}=true, {0,0,-1}=true}, rotation = 90},
			{name="L", connect_to = {{1,0,0}=true, {0,0,-1}=true}},
			{name="L", connect_to = {{-1,0,0}=true, {0,0,-1}=true}, rotation = 90}, --
			{name="L", connect_to = {{-1,0,0}=true, {0,0,1}=true}, rotation = 180},
			{name="L", connect_to = {{1,0,0}=true, {0,0,1}=true}, rotation = 270},
			{name="E", connect_to = {{1,0,0}=true}}, -- E is end
			{name="E", connect_to = {{0,0,-1}=true}, rotation = 90},
			{name="E", connect_to = {{-1,0,0}=true}, rotation = 180},
			{name="E", connect_to = {{0,0,1}=true}, rotation = 270},
			{name="T", connect_to = {{1,0,0}=true, {0,0,1}=true, {0,0,-1}=true}},
			{name="T", connect_to = {{1,0,0}=true, {-1,0,0}=true, {0,0,-1}=true}, rotation = 90},
			{name="T", connect_to = {{-1,0,0}=true, {0,0,1}=true, {0,0,-1}=true}, rotation = 180},
			{name="T", connect_to = {{1,0,0}=true, {-1,0,0}=true, {0,0,1}=true}, rotation = 270},
			{name="S", connect_to = {}}, -- A corridor filled with stone (doesn't connect to anything)
			}