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