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