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