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