3439,3441,3442,3442,3441,3438,3436,3435,3434,3432,3430,3431,3431,3432,3434,3435,3437,3437;1747,1750,1752,1754,1753,1753,1751,1751,1750,1750,1748,1747,1745,1744,1743,1744,1745,1746