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