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