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

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

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

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

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