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