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