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