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

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

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

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

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