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

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

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

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

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