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