C1111133313331323223313331333133313231323112113313121133132313231323121   >>    C111113331333132322331333133313331323132311211331312113313231323132312   <<    C1111133313331323223313331333133313231323112113313121133132313231323123   >>      C1111133313331323223313331333133313231323112113313121133132313231323122   >>