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