C3123223313331322121111331333133313231333132212111112312111133121133111   >>    C312322331333132212111133133313331323133313221211111231211113312113311   <<    C3123223313331322121111331333133313231333132212111112312111133121133113   >>      C3123223313331322121111331333133313231333132212111112312111133121133112   >>