Here is a collection of some of those given:
1A 1B 2A 2B
_ _ _
_ _ _
_ _ _ _ _
_ _ _
_ _ | | | | | | | | | | | | |_
_|_ _|_
_| _ _|_
_|_ _ |_
_|_ _|_
_ |_ _|_
_| | | | | | | | | | | | |_ _| |_
_|_ _|_
_| |_ _|_
_| |_ _|_
_ | | | | | | | | | |_ _| |_
_| |_ _| |_
_|_ _| | | | | | | | | |_
_| |_ _| |_
_| |_ _|
2C 3 var A var B _ _ _ _ _ _ _ _ _ _ | | | | | | | | | |_ _|_ _| |_ _|_ _ _ _|_ _| |_ _|_ _ | | | | | | | | | | | |_ _| _ _|_ _|_ _| _ _|_ _|_ _| |_ _|_ _|_ _ | | | | | | | | | | | |_ _|_ _ |_ _|_ _| |_ _|_ _| |_ _|_ _| | | | | | | | | | |_ _|_ _| |_ _| |_ _| |_ _|
var C _ _ | | |_ _| | | _ _|_ _| | | | |_ _|_ _| | | |_ _| | | |_ _|