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

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

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

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

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