C11111333133313232233133313331333133112111112113313222112323132313311   >>    C1111133313331323223313331333133313311211111211331322211232313231331   <<    C11111333133313232233133313331333133112111112113313222112323132313313   >>      C11111333133313232233133313331333133112111112113313222112323132313312   >>