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