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