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