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

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

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

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

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