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

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

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

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

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