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

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

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

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

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