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