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

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

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

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

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