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