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