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

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

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

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

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