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

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

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

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

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