Data.Tuple.Select

class Sel1 a b

class Sel2 a b

class Sel3 a b

class Sel4 a b

class Sel5 a b

class Sel6 a b

class Sel7 a b

class Sel8 a b

class Sel9 a b

class Sel10 a b

class Sel11 a b

class Sel12 a b

class Sel13 a b

class Sel14 a b

class Sel15 a b