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