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