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