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

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

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

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

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