2493,2492,2493,2495,2495,2496,2497,2498,2500,2501,2502,2502,2501,2500,2500,2498,2496,2494;1615,1614,1613,1611,1609,1608,1608,1607,1607,1608,1610,1611,1613,1614,1616,1619,1618,1617