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