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