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