C313212111113331323312111133133313331333131212111133132233132213131   >>    C31321211111333132331211113313331333133313121211113313223313221313   <<    C313212111113331323312111133133313331333131212111133132233132213133   >>      C313212111113331323312111133133313331333131212111133132233132213132   >>