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