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

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

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

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

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