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