(0 20 17)(1 21 3)(2 15 10 7 4)(5 8 6)(9 18 14 13 11)(12 19 16)
ALLOWS (11/8)-SEQUENCE
1: (0 2 15)
(0 10 7 4 2 20 17)(1 21 3)(5 8 6)(9 18 14 13 11)(12 19 16)(15)
2: (1 21 3)
(0 10 7 4 2 20 17)(1)(3)(5 8 6)(9 18 14 13 11)(12 19 16)(15)(21)
3: (2 20 10)
(0 10 17)(1)(2 7 4)(3)(5 8 6)(9 18 14 13 11)(12 19 16)(15)(20)(21)
4: (9 18 14)
(0 10 17)(1)(2 7 4)(3)(5 8 6)(9 13 11)(12 19 16)(14)(15)(18)(20)(21)