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