testx_0yTruetestx_0yFalseappendl1_2l2_1match_0l1_2l2_1l1_2match_0l1_2l2_1Nill2_1match_0l1_2l2_1ConsxlConsxappendll2_1parta_4l_3match_1a_4l_3l_3match_1a_4l_3NilPairNilNilmatch_1a_4l_3Consxl'match_2xl'a_4l_3parta_4l'match_2xl'a_4l_3Pairl1l2match_3l1l2xl'a_4l_3testa_4xmatch_3l1l2xl'a_4l_3FalsePairConsxl1l2match_3l1l2xl'a_4l_3TruePairl1Consxl2quickl_5match_4l_5l_5match_4l_5NilNilmatch_4l_5Consal'match_5al'l_5partal'match_5al'l_5Pairl1l2appendquickl1Consaquickl2appendl1_2l2_1match_0l1_2l2_1l1_2match_0l1_2l2_1Consxlappendll2_1parta_4l_3match_1a_4l_3l_3match_1a_4l_3Consxl'parta_4l'match_1a_4l_3Consxl'match_2xl'a_4l_3parta_4l'match_2xl'a_4l_3Pairl1l2testa_4xmatch_2xl'a_4l_3Pairl1l2match_3l1l2xl'a_4l_3testa_4xquickl_5match_4l_5l_5match_4l_5Consal'partal'match_4l_5Consal'match_5al'l_5partal'match_5al'l_5Pairl1l2quickl2match_5al'l_5Pairl1l2quickl1match_5al'l_5Pairl1l2appendquickl1Consaquickl2truematch_5al'l_5Pairl1l2quickl2quickl_5match_4l_5l_5match_4l_5Consal'match_5al'l_5partal'match_5al'l_5Pairl1l2quickl1true1match_54019203449match_4201821quick1819match_37818203040506072match_2501020304452Pair221220match_130102430part201420Cons201421Nil00False00True00test201020match_5al'l_5Pairl1l2quickl2match_4l_5Consal'match_5al'l_5partal'match_5al'l_5Pairl1l2quickl1parta_4l_3match_1a_4l_3l_3match_1a_4l_3NilPairNilNilmatch_1a_4l_3Consxl'match_2xl'a_4l_3parta_4l'match_2xl'a_4l_3Pairl1l2match_3l1l2xl'a_4l_3testa_4xmatch_3l1l2xl'a_4l_3FalsePairConsxl1l2match_3l1l2xl'a_4l_3TruePairl1Consxl2testx_0yTruetestx_0yFalsematch_4l_5Consal'match_5al'l_5partal'falsematch_5al'l_5Pairl1l2quickl1falsematch_5al'l_5Pairl1l2quickl2falsematch_5al'l_5Pairl1l2appendquickl1Consaquickl2falseappendl1_2l2_1match_0l1_2l2_1l1_2match_0l1_2l2_1Consxlappendll2_1true1match_037102130append281020Cons201821appendl1_2l2_1match_0l1_2l2_1l1_2appendl1_2l2_1match_0l1_2l2_1l1_2falsematch_4l_5Consal'partal'falseparta_4l_3match_1a_4l_3l_3match_1a_4l_3Consxl'parta_4l'true1match_130172130part201820Cons201821parta_4l_3match_1a_4l_3l_3parta_4l_3match_1a_4l_3l_3falsematch_1a_4l_3Consxl'match_2xl'a_4l_3parta_4l'falsematch_2xl'a_4l_3Pairl1l2match_3l1l2xl'a_4l_3testa_4xfalsematch_2xl'a_4l_3Pairl1l2testa_4xfalse