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

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

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

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

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