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

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

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

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

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