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