C3123223313331322121111331333133313231333132212111112312111133132212313332121   >>    C312322331333132212111133133313331323133313221211111231211113313221231333212   <<    C3123223313331322121111331333133313231333132212111112312111133132212313332123   >>      C3123223313331322121111331333133313231333132212111112312111133132212313332122   >>