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

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

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

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

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