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

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

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

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

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