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