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