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

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

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

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

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