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

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

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

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

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