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_540102032414match_4201220quick1210match_540102032414match_4201220quick1210match_37111203040506078match_2501020304158Pair211120match_130102131part201121Cons201128Nil00match_030112131append211121False00True00test201020quickl_5match_4l_5l_5match_4l_5Consal'match_5al'l_5partal'quickl_5match_4l_5l_5falsematch_4l_5Consal'match_5al'l_5partal'falsematch_5al'l_5Pairl1l2appendquickl1Consaquickl2falseappendl1_2l2_1match_0l1_2l2_1l1_2match_0l1_2l2_1Consxlappendll2_1true1match_030102830append281020match_54810203144match_4201120quick1110match_37111283040506171match_2581020304154Pair211120match_130102130part201120Cons281124Nil00match_030112130append211120False03True03test201023appendl1_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_130102138part201128match_54210203142match_4201220quick1210match_37212243040506270match_2541020304152Pair221220match_132102230part221220Cons221121Nil00match_030112130append211120False01True01test201021parta_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