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