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