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

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

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

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

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