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