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

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

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

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

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