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