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