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

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

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

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

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