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