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