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