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