C3123223313331322121111331333133313331333121211113313112113323131   >>    C312322331333132212111133133313331333133312121111331311211332313   <<    C3123223313331322121111331333133313331333121211113313112113323133   >>      C3123223313331322121111331333133313331333121211113313112113323132   >>