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