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