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