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