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