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