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