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

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

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

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

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