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