C31232233133313221211113313331333132313331322121111123121111121111113313223111   >>    C3123223313331322121111331333133313231333132212111112312111112111111331322311   <<    C31232233133313221211113313331333132313331322121111123121111121111113313223113   >>      C31232233133313221211113313331333132313331322121111123121111121111113313223112   >>