(0 4 3)(1 20 18 7 5)(2 21 10 8 6)(9 15 13)(11 17 12)(14 19 16)
ALLOWS (11/8)-SEQUENCE
1: (0 4 7)
(0 5 1 20 18 7 3)(2 21 10 8 6)(4)(9 15 13)(11 17 12)(14 19 16)
2: (2 8 6)
(0 5 1 20 18 7 3)(2)(4)(6)(8 21 10)(9 15 13)(11 17 12)(14 19 16)
3: (0 5 3)
(0)(1 20 18 7 3)(2)(4)(5)(6)(8 21 10)(9 15 13)(11 17 12)(14 19 16)
4: (1 20 3)
(0)(1)(2)(3 18 7)(4)(5)(6)(8 21 10)(9 15 13)(11 17 12)(14 19 16)(20)