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