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