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

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

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

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

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