import play.api.libs.json._
import play.api.libs.functional.syntax._

case class AToM(
	a: Int,
	b: Int,
	c: Int,
	d: Int,
	e: Int,
	f: Int,
	g: Int,
	h: Int,
	i: Int,
	j: Int,
	k: Int,
	l: Int,
	m: Int
)

case class NToZ(
	n: Int,
	o: Int,
	p: Int,
	q: Int,
	r: Int,
	s: Int,
	t: Int,
	u: Int,
	v: Int,
	w: Int,
	x: Int,
	y: Int,
	z: Int
)

case class Large(
	a: Int,
	b: Int,
	c: Int,
	d: Int,
	e: Int,
	f: Int,
	g: Int,
	h: Int,
	i: Int,
	j: Int,
	k: Int,
	l: Int,
	m: Int,
	n: Int,
	o: Int,
	p: Int,
	q: Int,
	r: Int,
	s: Int,
	t: Int,
	u: Int,
	v: Int,
	w: Int,
	x: Int,
	y: Int,
	z: Int
)

implicit AToMFormat = Json.format[AToM]
implicit NToZFormat = Json.format[NToZ]

implicit val largeReader: Reads[Large] = {
	(AToMFormat.reads and NToZReads.reads)( (aToM, nToZ) =>
		Large(
			aToM.a,
			aToM.b,
			aToM.c,
			aToM.d,
			aToM.e,
			aToM.f,
			aToM.g,
			aToM.h,
			aToM.i,
			aToM.j,
			aToM.k,
			aToM.l,
			aToM.m,
			nToZ.n,
			nToZ.o,
			nToZ.p,
			nToZ.q,
			nToZ.r,
			nToZ.s,
			nToZ.t,
			nToZ.u,
			nToZ.v,
			nToZ.w,
			nToZ.x,
			nToZ.y,
			nToZ.z
		)
	)
}


val s = """{"a": 0,"b": 1,"c": 2,"d": 3,"e": 4,"f": 5,"g": 6,"h": 7,"i": 8,"j": 9,"k": 10,"l": 11,"m": 12,"n": 13,"o": 14,"p": 15,"q": 16,"r": 17,"s": 18,"t": 19,"u": 20,"v": 21,"w": 22,"x": 23,"y": 24,"z": 25}"""

scala> Json.parse(s).as[Large]
//Large(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25)