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

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

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

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

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