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