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