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

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

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

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

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