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

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

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

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

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