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