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