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