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