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

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

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

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

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