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

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

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

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

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