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