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