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