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