2490,2490,2492,2489,2487,2486,2486,2484,2483,2482,2482,2480,2480,2483,2485,2485,2486,2487;1619,1616,1614,1613,1612,1613,1614,1615,1615,1616,1618,1619,1620,1620,1621,1620,1619,1619