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