2492,2492,2492,2492,2493,2494,2495,2497,2499,2499,2501,2502,2504,2504,2505,2504,2502,2501,2499,2498,2496,2496,2495,2494,2493;878,880,881,883,884,883,881,880,880,879,878,877,877,875,874,873,872,870,870,871,871,873,874,875,877