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

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

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

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

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