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

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

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

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

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