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

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

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

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

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