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