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

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

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

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

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