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