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

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

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

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

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