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