C11111333133313232233133313331333133112111112113313113313231323331222321   >>    C1111133313331323223313331333133313311211111211331311331323132333122232   <<    C11111333133313232233133313331333133112111112113313113313231323331222323   >>      C11111333133313232233133313331333133112111112113313113313231323331222322   >>