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

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

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

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

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