(0 4 1)(2 17 15 13 7)(3 21 19 9 5)(6 11 8)(10 14 12)(16 20 18)
ALLOWS (11/8)-SEQUENCE
1: (0 2 13)
(0 7 2 4 1)(3 21 19 9 5)(6 11 8)(10 14 12)(13 17 15)(16 20 18)
2: (2 4 7)
(0 7 1)(2)(3 21 19 9 5)(4)(6 11 8)(10 14 12)(13 17 15)(16 20 18)
3: (3 9 5)
(0 7 1)(2)(3)(4)(5)(6 11 8)(9 21 19)(10 14 12)(13 17 15)(16 20 18)
4: (6 11 8)
(0 7 1)(2)(3)(4)(5)(6)(8)(9 21 19)(10 14 12)(11)(13 17 15)(16 20 18)