C3123223313331322121111331333133313231333132333133313331322121121   >>    C312322331333132212111133133313331323133313233313331333132212112   <<    C3123223313331322121111331333133313231333132333133313331322121123   >>      C3123223313331322121111331333133313231333132333133313331322121122   >>