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

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

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

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

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