C1111133313331323223313331333133313231333133313331331122132313221   >>    C111113331333132322331333133313331323133313331333133112213231322   <<    C1111133313331323223313331333133313231333133313331331122132313223   >>      C1111133313331323223313331333133313231333133313331331122132313222   >>