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

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

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

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

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