(0 21 2)(1 5 3)(4 10 6)(7 18 8)(9 15 11 16 12)(13 19 14)(17 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 5 9)
(0 21 2)(1 15 11 16 12 9 3)(4 10 6)(5)(7 18 8)(13 19 14)(17 22 20)
2: (4 10 6)
(0 21 2)(1 15 11 16 12 9 3)(4)(5)(6)(7 18 8)(10)(13 19 14)(17 22 20)
3: (3 12 9)
(0 21 2)(1 15 11 16 12)(3)(4)(5)(6)(7 18 8)(9)(10)(13 19 14)(17 22 20)
4: (1 15 11)
(0 21 2)(1 16 12)(3)(4)(5)(6)(7 18 8)(9)(10)(11)(13 19 14)(15)(17 22 20)