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