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