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

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

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

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

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