C3123223313331322121111331333133313231333133313331333121111331333112121   >>    C312322331333132212111133133313331323133313331333133312111133133311212   <<    C3123223313331322121111331333133313231333133313331333121111331333112123   >>      C3123223313331322121111331333133313231333133313331333121111331333112122   >>