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

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

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

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

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