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