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