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

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

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

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

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