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

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

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

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

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