C1111133313331323223313331333133313331323133313331333112331333233221   >>    C111113331333132322331333133313331333132313331333133311233133323322   <<    C1111133313331323223313331333133313331323133313331333112331333233223   >>      C1111133313331323223313331333133313331323133313331333112331333233222   >>