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