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