填空。+C)r/~8E0|(O*C1^.S/y+D8N
2、4、5、8、11、13、17、19+C)r/~8E0|(O*C1^.S/y+D8N
①这里一共有2n1Y.s.M+i0a:b9@;a/|(W*G7u:T/d:L1D0O+Y个数；+C)r/~8E0|(O*C1^.S/y+D8N
②从左边起，8排在第9[+O'F1?)V'_7n个；+C)r/~8E0|(O*C1^.S/y+D8N
③从右边起，最后数是0]/?7D1Y+\)k3W*\；+C)r/~8E0|(O*C1^.S/y+D8N
④最大的数是1X0r4p2h*x+a7r9o/I+i6N7y'X.^7c4n，最小的数是1P'X,q+J4h+N:o。+C)r/~8E0|(O*C1^.S/y+D8N