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