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

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

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

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

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