--たつのこ
function c55863245.initial_effect(c)
	--synchro summon
	aux.AddSynchroProcedure(c,nil,aux.NonTuner(nil),1)
	c:EnableReviveLimit()
	--synchro custom
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_SYNCHRO_MATERIAL_CUSTOM)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e1:SetCondition(c55863245.syncon)
	e1:SetTarget(c55863245.syntg)
	e1:SetValue(1)
	e1:SetOperation(c55863245.synop)
	c:RegisterEffect(e1)
	--immune
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCode(EFFECT_IMMUNE_EFFECT)
	e2:SetValue(c55863245.efilter)
	c:RegisterEffect(e2)
	--hand synchro for double tuner
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e3:SetCondition(c55863245.syncon)
	e3:SetCode(EFFECT_HAND_SYNCHRO)
	c:RegisterEffect(e3)
end
function c55863245.synfilter1(c,syncard,tuner,f)
	return c:IsFaceup() and c:IsCanBeSynchroMaterial(syncard,tuner) and (f==nil or f(c))
end
function c55863245.synfilter2(c,syncard,tuner,f,g,lv,minc,maxc)
	if c:IsCanBeSynchroMaterial(syncard,tuner) and (f==nil or f(c)) then
		lv=lv-c:GetLevel()
		if lv<0 then return false end
		if lv==0 then return minc==1 end
		return g:CheckWithSumEqual(Card.GetSynchroLevel,lv,minc-1,maxc-1,syncard)
	else return false end
end
function c55863245.syncon(e)
	return e:GetHandler():IsSummonType(SUMMON_TYPE_SYNCHRO)
end
function c55863245.syntg(e,syncard,f,minc,maxc)
	local c=e:GetHandler()
	local tp=syncard:GetControler()
	local lv=syncard:GetLevel()-c:GetLevel()
	if lv<=0 then return false end
	local g1=Duel.GetMatchingGroup(c55863245.synfilter1,tp,LOCATION_MZONE,LOCATION_MZONE,c,syncard,c,f)
	return g1:CheckWithSumEqual(Card.GetSynchroLevel,lv,minc,maxc,syncard)
		or Duel.IsExistingMatchingCard(c55863245.synfilter2,tp,LOCATION_HAND,0,1,nil,syncard,c,f,g1,lv,minc,maxc)
end
function c55863245.synop(e,tp,eg,ep,ev,re,r,rp,syncard,f,minc,maxc)
	local c=e:GetHandler()
	local lv=syncard:GetLevel()-c:GetLevel()
	local g1=Duel.GetMatchingGroup(c55863245.synfilter1,tp,LOCATION_MZONE,LOCATION_MZONE,c,syncard,c,f)
	local g2=Duel.GetMatchingGroup(c55863245.synfilter2,tp,LOCATION_HAND,0,nil,syncard,c,f,g1,lv,minc,maxc)
	if not g1:CheckWithSumEqual(Card.GetSynchroLevel,lv,minc,maxc,syncard)
		or (g2:GetCount()>0 and Duel.SelectYesNo(tp,aux.Stringid(55863245,0))) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SMATERIAL)
		local sg=g2:Select(tp,1,1,nil)
		local tc=sg:GetFirst()
		if lv>tc:GetLevel() then
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SMATERIAL)
			local tg=g1:SelectWithSumEqual(tp,Card.GetSynchroLevel,lv-tc:GetLevel(),minc-1,maxc-1,syncard)
			sg:Merge(tg)
		end
		Duel.SetSynchroMaterial(sg)
	else
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SMATERIAL)
		local sg=g1:SelectWithSumEqual(tp,Card.GetSynchroLevel,lv,minc,maxc,syncard)
		Duel.SetSynchroMaterial(sg)
	end
end
function c55863245.efilter(e,te)
	return te:IsActiveType(TYPE_MONSTER) and te:GetOwner()~=e:GetOwner()
end
