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

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

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

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

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