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