diff --git a/tests/greedy_permutation_files/swap_element17.json b/tests/greedy_permutation_files/swap_element17.json
new file mode 100644
index 00000000..8f0d4868
--- /dev/null
+++ b/tests/greedy_permutation_files/swap_element17.json
@@ -0,0 +1,78 @@
+{
+    "name": "swap_element17",
+    "init_progr_len": 1,
+    "max_progr_len": 1,
+    "max_sk_sz": 18,
+    "vars": [
+        "s(0)",
+        "s(1)",
+        "s(10)",
+        "s(11)",
+        "s(12)",
+        "s(13)",
+        "s(14)",
+        "s(15)",
+        "s(16)",
+        "s(17)",
+        "s(2)",
+        "s(3)",
+        "s(4)",
+        "s(5)",
+        "s(6)",
+        "s(7)",
+        "s(8)",
+        "s(9)"
+    ],
+    "src_ws": [
+        "s(0)",
+        "s(1)",
+        "s(2)",
+        "s(3)",
+        "s(4)",
+        "s(5)",
+        "s(6)",
+        "s(7)",
+        "s(8)",
+        "s(9)",
+        "s(10)",
+        "s(11)",
+        "s(12)",
+        "s(13)",
+        "s(14)",
+        "s(15)",
+        "s(16)",
+        "s(17)"
+    ],
+    "tgt_ws": [
+        "s(17)",
+        "s(1)",
+        "s(2)",
+        "s(3)",
+        "s(4)",
+        "s(5)",
+        "s(6)",
+        "s(7)",
+        "s(8)",
+        "s(9)",
+        "s(10)",
+        "s(11)",
+        "s(12)",
+        "s(13)",
+        "s(14)",
+        "s(15)",
+        "s(16)",
+        "s(0)"
+    ],
+    "user_instrs": [],
+    "current_cost": 3,
+    "storage_dependences": [],
+    "memory_dependences": [],
+    "dependencies": [],
+    "is_revert": false,
+    "rules_applied": false,
+    "rules": [],
+    "original_instrs": "SWAP16",
+    "min_length_instrs": 0,
+    "min_length_bounds": 0,
+    "min_length": 0
+}
\ No newline at end of file
diff --git a/tests/test_greedy_permutation.py b/tests/test_greedy_permutation.py
new file mode 100644
index 00000000..c29bdbda
--- /dev/null
+++ b/tests/test_greedy_permutation.py
@@ -0,0 +1,16 @@
+import glob
+
+import pytest
+from typing import Dict
+from parser.cfg_block import CFGBlock
+from parser.cfg_instruction import build_instr_spec, build_verbatim_spec, build_push_spec, CFGInstruction
+from greedy.greedy_new_version import greedy_from_file, STACK_DEPTH
+from analysis.greedy_validation import check_execution_from_ids
+
+
+class TestGreedyPermutation:
+
+    def test_swap_element17(self):
+        sfs, seq, outcome = greedy_from_file("greedy_permutation_files/swap_element17.json")
+        print("LEN", len(seq))
+        assert check_execution_from_ids(sfs, seq), "Failing SWAP17 tests"