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