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