(0 4 1)(2 13 9 7 5)(3 21 18 8 6)(10 19 11)(12 16 14)(15 20 17)
ALLOWS (11/8)-SEQUENCE
1: (0 4 7)
(0 5 2 13 9 7 1)(3 21 18 8 6)(4)(10 19 11)(12 16 14)(15 20 17)
2: (3 8 6)
(0 5 2 13 9 7 1)(3)(4)(6)(8 21 18)(10 19 11)(12 16 14)(15 20 17)
3: (2 13 5)
(0 5 9 7 1)(2)(3)(4)(6)(8 21 18)(10 19 11)(12 16 14)(13)(15 20 17)
4: (1 9 7)
(0 5 9)(1)(2)(3)(4)(6)(7)(8 21 18)(10 19 11)(12 16 14)(13)(15 20 17)