diff --git a/bomb_problems/bmtc.lp b/bomb_problems/bmtc.lp
new file mode 100644
index 0000000..4d32f34
--- /dev/null
+++ b/bomb_problems/bmtc.lp
@@ -0,0 +1,55 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%% arguments %%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% input: input_length(L).
+% input: input_toilet(T).
+num_packages(L/2) :- input_length(L).
+max_length(L-1)   :- input_length(L).
+toilet(1..T)      :- input_toilets(T).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%% initial states %%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+package(1..NP) :- num_packages(NP).
+
+{ holds(armed(P),0) } :- package(P).
+:- not 1 { holds(armed(P),0) : package(P) } 1.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%% problem description %%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%  fluents   %%%%%%%%%%%%%%%%%%
+
+fluent(armed(P))   :- package(P).
+inertial(armed(P)) :- package(P).
+
+fluent(dunked(P))   :- package(P).
+inertial(dunked(P)) :- package(P).
+
+fluent(clogged).
+inertial(clogged).
+
+fluent(unsafe).
+
+%%%%%%%  actions   %%%%%%%%
+action(dunk(P,L)) :- package(P), toilet(L).
+action(flush(L))  :- toilet(L).
+
+%%%%%%  executable  %%%%%%%
+executable(dunk(P,L), S) :- action(dunk(P,L)), toilet(L), not holds(clogged(L),S), step(S).
+
+executable(flush(L), S)  :- action(flush(L)), toilet(L), step(S).
+
+%%%%%  direct effects   %%%%%%%
+-holds(armed(P),  T+1)  :- occurs(dunk(P,L), T), step(T).
+ holds(dunked(P), T+1)  :- occurs(dunk(P,L), T), step(T).
+1{ -holds(clogged, T+1) ; holds(clogged, T+1)}1 :- occurs(dunk(P,L), T), toilet(L), step(T).
+
+-holds(clogged(L), T+1) :- occurs(flush(L), T), toilet(L), step(T).
+
+%%%%%  indirect effects   %%%%%%%
+ holds(unsafe, T) :- holds(armed(P),   T), step(T).
+-holds(unsafe, T) :- not holds(unsafe, T), step(T).
diff --git a/bomb_problems/bmtuc.lp b/bomb_problems/bmtuc.lp
new file mode 100644
index 0000000..6621647
--- /dev/null
+++ b/bomb_problems/bmtuc.lp
@@ -0,0 +1,55 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%% arguments %%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% input: input_length(L).
+% input: input_toilet(T).
+num_packages(L/2) :- input_length(L).
+max_length(L-1)   :- input_length(L).
+toilet(1..T)      :- input_toilets(T).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%% initial states %%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+package(1..NP) :- num_packages(NP).
+
+{ holds(armed(P),0) } :- package(P).
+:- not 1 { holds(armed(P),0) : package(P) } 1.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%% problem description %%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%  fluents   %%%%%%%%%%%%%%%%%%
+
+fluent(armed(P))   :- package(P).
+inertial(armed(P)) :- package(P).
+
+fluent(dunked(P))   :- package(P).
+inertial(dunked(P)) :- package(P).
+
+fluent(clogged).
+inertial(clogged).
+
+fluent(unsafe).
+
+%%%%%%%  actions   %%%%%%%%
+action(dunk(P,L)) :- package(P), toilet(L).
+action(flush(L))  :- toilet(L).
+
+%%%%%%  executable  %%%%%%%
+executable(dunk(P,L), S) :- action(dunk(P,L)), toilet(L), not holds(clogged(L),S), step(S).
+
+executable(flush(L), S)  :- action(flush(L)), toilet(L), step(S).
+
+%%%%%  direct effects   %%%%%%%
+-holds(armed(P),  T+1)  :- occurs(dunk(P,L), T), step(T).
+ holds(dunked(P), T+1)  :- occurs(dunk(P,L), T), step(T).
+ holds(clogged(L), T+1) :- occurs(dunk(P,L), T), toilet(L), step(T).
+
+-holds(clogged(L), T+1) :- occurs(flush(L), T), toilet(L), step(T).
+
+%%%%%  indirect effects   %%%%%%%
+ holds(unsafe, T) :- holds(armed(P),   T), step(T).
+-holds(unsafe, T) :- not holds(unsafe, T), step(T).
diff --git a/bomb_problems/create_instances.py b/bomb_problems/create_instances.py
new file mode 100644
index 0000000..4e01523
--- /dev/null
+++ b/bomb_problems/create_instances.py
@@ -0,0 +1,25 @@
+import os
+import sys
+
+script_directory = os.path.dirname(os.path.abspath(sys.argv[0]))
+instances_directory = os.path.join(script_directory, "instances")
+
+os.makedirs(instances_directory, exist_ok=True)
+
+for i in range(10, 160, 10):
+    print(f"Creating instance {i:04d}")
+    instance_path = os.path.join(instances_directory, f"bomb_{i:04d}.lp")
+    with open(instance_path, "w") as f:
+        f.write(f"input_length({i}).\n")
+
+instances_directory = os.path.join(script_directory, "instances_many")
+
+os.makedirs(instances_directory, exist_ok=True)
+
+for i in range(10, 160, 10):
+    for t in range(1, 5):
+        print(f"Creating instance {i:04d}_{t:02d}")
+        instance_path = os.path.join(instances_directory, f"bomb_{i:04d}_{t:02d}.lp")
+        with open(instance_path, "w") as f:
+            f.write(f"input_length({i}).\n")
+            f.write(f"input_toilets({t}).\n")