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

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

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

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

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