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

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

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

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

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