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

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

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

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

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