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