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

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

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

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

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