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

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

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

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

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