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

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

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

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

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