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

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

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

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

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