C3123223313331322121111331333133313231333132212111111222132333131   >>    C312322331333132212111133133313331323133313221211111122213233313   <<    C3123223313331322121111331333133313231333132212111111222132333133   >>      C3123223313331322121111331333133313231333132212111111222132333132   >>