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

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

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

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

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