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