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