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