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