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