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

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

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

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

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