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