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