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