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

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

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

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

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