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

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

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

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

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