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