25
40000000 3
39999999 3
39999998 3
39999997 3
39999996 3
39999995 3
39999994 3
39999993 3
39999992 3
39999991 3
39999990 3
39999989 3
39999988 3
39999987 3
39999986 3
39999985 3
39999984 3
39999983 3
39999982 3
39999981 3
39999980 3
39999979 3
39999978 3
39999977 3
39999976 3
