C3123223313331322121111331333133313231333132212111112331311331322123313111   >>    C312322331333132212111133133313331323133313221211111233131133132212331311   <<    C3123223313331322121111331333133313231333132212111112331311331322123313113   >>      C3123223313331322121111331333133313231333132212111112331311331322123313112   >>