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

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

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

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

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