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