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

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

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

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

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