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

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

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

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

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