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