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