C11111333133313232233133313331333133313231312331323133313231323132113231   >>    C1111133313331323223313331333133313331323131233132313331323132313211323   <<    C11111333133313232233133313331333133313231312331323133313231323132113233   >>      C11111333133313232233133313331333133313231312331323133313231323132113232   >>