C1111133313331323223313331333133313331323133313331331121133133323323221   >>    C111113331333132322331333133313331333132313331333133112113313332332322   <<    C1111133313331323223313331333133313331323133313331331121133133323323223   >>      C1111133313331323223313331333133313331323133313331331121133133323323222   >>