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