(0 6 1)(2 19 4)(3 9 5)(7 20 14 12 11)(8 17 15 13 10)(16 21 18)
ALLOWS (11/8)-SEQUENCE
1: (0 3 9)
(0 5 3 6 1)(2 19 4)(7 20 14 12 11)(8 17 15 13 10)(9)(16 21 18)
2: (2 19 4)
(0 5 3 6 1)(2)(4)(7 20 14 12 11)(8 17 15 13 10)(9)(16 21 18)(19)
3: (7 20 14)
(0 5 3 6 1)(2)(4)(7 12 11)(8 17 15 13 10)(9)(14)(16 21 18)(19)(20)
4: (8 17 10)
(0 5 3 6 1)(2)(4)(7 12 11)(8)(9)(10 15 13)(14)(16 21 18)(17)(19)(20)