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