C3123223313331322121111331333133313231333132333131333131331123121   >>    C312322331333132212111133133313331323133313233313133313133112312   <<    C3123223313331322121111331333133313231333132333131333131331123123   >>      C3123223313331322121111331333133313231333132333131333131331123122   >>