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