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