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