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