C11112331312111112111133133313331311331323212331333132313311231323221   >>    C1111233131211111211113313331333131133132321233133313231331123132322   <<    C11112331312111112111133133313331311331323212331333132313311231323223   >>      C11112331312111112111133133313331311331323212331333132313311231323222   >>