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

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

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

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

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