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