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