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