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