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

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

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

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

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