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