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

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

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

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

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