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