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