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