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

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

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

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

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