*begin kerusi
*entrance	1
*entrance	6
*entrance	12
*data normal from to tape compass clino
*flags surface
s0	s1	4.6	112	-32
s1	1	3.3	080	-65
*flags not surface
1	2	11.9	097	-42
2	3	9.5	136	-25
3	4	9.7	148	-10
4	5	5.1	253	-13
4	6	10.1	161	10
4	7	10.2	090	-11
7	8	13	110	-3
8	9	15.7	145	-4
9	10	13.6	112.5	-4
10	11	15.1	032	-7 
10	12	27	254	-5
11	13	14.5	112	-5
13	14	9.3	150	9
14	15	21.6	115	1.5
15	16	15.3	085	1.5
16	17	4.7	168	-19	
17	18	6	090	-1
18	19	8.5	144	1
19	20	7.5	148	0
20	21	3.34	105	-14
21	22	5.3	040	-18	
22	23	4.3	122	-5
23	24	5.8	005	6
*flags surface
s3	12	30	0	0
*end kerusi