C3123223313331322121111331333133313231323223313331333121111113212311311   >>    C312322331333132212111133133313331323132322331333133312111111321231131   <<    C3123223313331322121111331333133313231323223313331333121111113212311313   >>      C3123223313331322121111331333133313231323223313331333121111113212311312   >>