(0 18 4)(1 20 12)(2 19 16)(3 7 5)(6 10 8)(9 14 11)(13 17 15)
ALLOWS (11/8)-SEQUENCE
1: (4 6 18)
(0 18 10 8 6)(1 20 12)(2 19 16)(3 7 5)(4)(9 14 11)(13 17 15)
2: (3 7 5)
(0 18 10 8 6)(1 20 12)(2 19 16)(3)(4)(5)(7)(9 14 11)(13 17 15)
3: (0 8 6)
(0)(1 20 12)(2 19 16)(3)(4)(5)(6)(7)(8 18 10)(9 14 11)(13 17 15)
4: (1 20 12)
(0)(1)(2 19 16)(3)(4)(5)(6)(7)(8 18 10)(9 14 11)(12)(13 17 15)(20)