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

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

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

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

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