C31232233133313221211113313331333133313331121133131211331311213121   >>    C3123223313331322121111331333133313331333112113313121133131121312   <<    C31232233133313221211113313331333133313331121133131211331311213123   >>      C31232233133313221211113313331333133313331121133131211331311213122   >>