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