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