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