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