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