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