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