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