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

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

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

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

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