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

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

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

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

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