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