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

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

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

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

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