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

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

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

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

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