"west-to-east" | |
"north-to-south" | |
"east-to-west" | |
"south-to-north" | |
"west-to-north" | |
"north-to-east" | |
"east-to-south" | |
"south-to-west" | |
"west-to-south" | |
"north-to-west" | |
"east-to-north" | |
"south-to-east" | |
"west-to-none" | |
"none-to-east" | |
"east-to-none" | |
"none-to-west" | |
"north-to-none" | |
"none-to-south" | |
"south-to-none" | |
"none-to-north" |