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

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

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

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

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