C3123223313331322121111331333133313231333132333131333131133133311211   >>    C312322331333132212111133133313331323133313233313133313113313331121   <<    C3123223313331322121111331333133313231333132333131333131133133311213   >>      C3123223313331322121111331333133313231333132333131333131133133311212   >>