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