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