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