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

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

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

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

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