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