C1111133313331323223313331333133313331323133313331333112331313211321   >>    C111113331333132322331333133313331333132313331333133311233131321132   <<    C1111133313331323223313331333133313331323133313331333112331313211323   >>      C1111133313331323223313331333133313331323133313331333112331313211322   >>