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