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

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

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

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

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