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

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

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

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

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