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