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