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