C3123223313331322121111331333133313231333132212111112312111133132321321121   >>    C312322331333132212111133133313331323133313221211111231211113313232132112   <<    C3123223313331322121111331333133313231333132212111112312111133132321321123   >>      C3123223313331322121111331333133313231333132212111112312111133132321321122   >>