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