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

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

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

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

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