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

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

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

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

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