C3123223313331322121111331333133313231333132212111111222331311331322123131   >>    C312322331333132212111133133313331323133313221211111122233131133132212313   <<    C3123223313331322121111331333133313231333132212111111222331311331322123133   >>      C3123223313331322121111331333133313231333132212111111222331311331322123132   >>