by @Em Chik Fork
{"functions":[],"name":"4","main":{"rawId":"main","tpe":"Void","name":"main","statements":[{"@type":"Begin","id":"id_48f6ab72_48c0_4b06_b574_c63bb614549b"},{"lengthValue":-1,"@type":"Declare","lengthValue1":"5","tpe":"IntegerMatrix","name":"x","lengthValue2":"5","id":"id_d3a82cb5_b652_42a7_9610_916b29c3cec2","initValue":null},{"varName":"i","incr":"1","@type":"ForLoop","start":"0","end":"4","id":"id_106b9735_e76f_44a6_bec7_fdf2845d25da","body":{"statements":[{"varName":"j","incr":"1","@type":"ForLoop","start":"0","end":"4","id":"id_980ffb2c_6abc_473f_9786_d08d1e024415","body":{"statements":[{"@type":"Assign","name":"x[i][j]","id":"id_d0dfb9a0_51b4_4263_8bb7_07003e6374c9","value":"randomInt(20)"}],"id":"id_f5905d24_312f_4ef5_ba85_f6a7848c2fd8"}}],"id":"id_170712cd_5866_480b_a4d0_e7d37c34fdf7"}},{"lengthValue":-1,"@type":"Declare","lengthValue1":"5","tpe":"Integer","name":"t","lengthValue2":"5","id":"id_42b80ac1_1976_45ee_8144_f531c9ced6f3","initValue":"0"},{"newline":true,"@type":"Output","id":"id_12b9de98_899a_42fa_8139_c05cd5f4e178","value":"x"},{"varName":"i","incr":"1","@type":"ForLoop","start":"0","end":"4","id":"id_118848d0_4af8_48ed_8333_fd1f67acb893","body":{"statements":[{"@type":"Assign","name":"t","id":"id_fcc9e23e_a2e0_41c4_b7a6_1e5280e5de89","value":"x[i][1]"},{"@type":"Assign","name":"x[i][1]","id":"id_aee8885d_154a_4a6a_9af0_3bfdc864086c","value":"x[i][3]"},{"@type":"Assign","name":"x[i][3]","id":"id_e29201aa_f9c3_4ea4_a1e3_61e8b1ce3cc7","value":"t"}],"id":"id_9d3db675_eabd_4a6e_a68a_a6e0264debd4"}},{"newline":true,"@type":"Output","id":"id_8fc2925c_48fc_4cb1_846a_d567bb312bde","value":"x"},{"@type":"Return","id":"id_52fba413_517d_4bb5_aee3_ae82955878da","maybeValue":null}],"parameters":[]},"id":"id_9bd2055a_c340_472d_b694_4f2c595ddaf0","config":{"showDebugVars":true,"useInputPrompt":false,"echoEnteredValue":false,"showIoBtns":true,"showFunctions":false,"lang":"java","showGenCode":false},"version":"0.3","revision":113}