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

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

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

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

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