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

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

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

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

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