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