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