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