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