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

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

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

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

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