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

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

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

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

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