4018,4017,4017,4018,4018,4017,4017,4021,4021,4020,4020,4023,4023,4021,4021,4018,4019,4019,4018,4018,4019,4020,4020;2020,2021,2023,2023,2026,2026,2028,2028,2045,2046,2048,2048,2045,2045,2028,2028,2027,2026,2026,2023,2023,2022,2020