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

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

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

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

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