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