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

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

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

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

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