C31232233133313221211113313331333133313331212111133121111133313331313231323121   >>    C3123223313331322121111331333133313331333121211113312111113331333131323132312   <<    C31232233133313221211113313331333133313331212111133121111133313331313231323123   >>      C31232233133313221211113313331333133313331212111133121111133313331313231323122   >>