C1111133313331323223313331333133313331323133313331331121133122321   >>    C111113331333132322331333133313331333132313331333133112113312232   <<    C1111133313331323223313331333133313331323133313331331121133122323   >>      C1111133313331323223313331333133313331323133313331331121133122322   >>