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

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

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

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

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