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