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