L2-Minimax Latin hypercube designs of 21 points; ro = 3.4

Design 1 (No symmetry)

0	6
1	17
2	12
3	1
4	13
5	7
6	20
7	16
8	2
9	11
10	4
11	8
12	18
13	14
14	0
15	5
16	10
17	19
18	15
19	3
20	9

Design 2 (No symmetry)

0	6
1	17
2	12
3	1
4	13
5	7
6	20
7	16
8	2
9	11
10	4
11	8
12	18
13	14
14	0
15	10
16	5
17	19
18	15
19	3
20	9

Design 3 (Symmetry group C_2)

0	6
1	17
2	12
3	1
4	7
5	18
6	9
7	15
8	4
9	0
10	10
11	20
12	16
13	5
14	11
15	2
16	13
17	19
18	8
19	3
20	14

Design 4 (Symmetry group C_2)

0	6
1	17
2	12
3	1
4	4
5	9
6	20
7	15
8	2
9	7
10	10
11	13
12	18
13	5
14	0
15	11
16	16
17	19
18	8
19	3
20	14

Design 5 (No symmetry)

0	6
1	17
2	12
3	1
4	4
5	9
6	20
7	15
8	2
9	7
10	11
11	13
12	18
13	5
14	0
15	10
16	16
17	19
18	8
19	3
20	14

Design 6 (No symmetry)

0	6
1	17
2	12
3	1
4	4
5	10
6	20
7	15
8	2
9	7
10	13
11	9
12	18
13	5
14	0
15	16
16	11
17	19
18	8
19	3
20	14

Design 7 (No symmetry)

0	6
1	17
2	12
3	1
4	4
5	10
6	20
7	15
8	2
9	7
10	16
11	11
12	18
13	5
14	0
15	13
16	9
17	19
18	8
19	3
20	14

Design 8 (Symmetry group C_4)

0	6
1	17
2	12
3	1
4	11
5	7
6	20
7	15
8	2
9	4
10	10
11	16
12	18
13	5
14	0
15	13
16	9
17	19
18	8
19	3
20	14