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

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

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

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

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