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

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

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

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

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