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