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

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

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

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

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