uva11063測資B

Input:
6
3 7 21 54 -1 154

4
1 13 26 45

4
1 9 0 30

3
1 2 2

3
1 2 3

2
9999 10000

100
10 28 74 116 135 226 269 362 410 489 535 615 647 699 759 803 888 903 945 1006 1075 1125 1185 1255 1334 1410 1487 1531 1582 1670 1763 1849 1886 1947 1962 2000 2049 2117 2210 2291 2337 2435 2443 2514 2514 2606 2702 2767 2859 2907 2911 3003 3084 3166 3264 3303 3317 3347 3417 3485 3490 3502 3525 3592 3614 3636 3701 3747 3831 3871 3916 3992 4071 4113 4163 4227 4290 4295 4308 4353 4421 4460 4516 4604 4638 4659 4757 4762 4793 4866 4944 5014 5109 5202 5278 5294 5301 5362 5374 5413 

100
79 138 184 268 285 334 402 458 469 510 550 555 652 729 772 868 875 904 923 982 1001 1071 1162 1167 1229 1263 1267 1353 1380 1471 1548 1621 1698 1704 1803 1896 1979 2041 2057 2066 2164 2201 2269 2280 2295 2344 2393 2477 2479 2578 2617 2619 2665 2713 2744 2794 2832 2873 2911 2981 3016 3077 3105 3138 3169 3182 3195 3265 3327 3330 3388 3411 3461 3550 3618 3618 3678 3718 3801 3884 3892 3916 3993 4029 4091 4114 4155 4246 4261 4283 4285 4342 4432 4447 4514 4607 4683 4710 4779 4811 

99
25 121 121 211 292 379 453 495 592 596 665 686 747 797 850 936 978 984 1065 1122 1218 1245 1336 1341 1521 1533 1602 1658 1728 1750 1826 1829 1854 1930 1949 2045 2136 2222 2238 2326 2344 2374 2402 2494 2537 2563 2626 2626 2725 2776 2807 2876 2902 2955 2977 3008 3101 3161 3166 3189 3273 3304 3394 3442 3471 3538 3558 3638 3672 3706 3772 3780 3869 3884 3896 3975 4006 4035 4043 4068 4116 4164 4164 4211 4292 4340 4399 4449 4514 4531 4590 4598 4694 4763 4829 4849 4853 4893 4941 
Output:
Case #1: It is not a B2-Sequence.

Case #2: It is a B2-Sequence.

Case #3: It is not a B2-Sequence.

Case #4: It is not a B2-Sequence.

Case #5: It is not a B2-Sequence.

Case #6: It is a B2-Sequence.

Case #7: It is not a B2-Sequence.

Case #8: It is not a B2-Sequence.

Case #9: It is not a B2-Sequence.