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