C31232233133313221211113313331333133313332213121111331313111121   >>    C3123223313331322121111331333133313331333221312111133131311112   <<    C31232233133313221211113313331333133313332213121111331313111123   >>      C31232233133313221211113313331333133313332213121111331313111122   >>