属于这两组的第一个数字：
101,131,151,181,191,313,353,373,383,727,757,787,797,919,929,18181,32323,35353,72727,74747,78787,94949,95959,1212121,1616161,323232323,383838383,727272727,919191919,929292929,979797979,989898989,12121212121,14141414141,32323232323,91919191919.