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