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

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

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

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

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