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