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