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

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

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

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

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