C11111333133313232233133313331333133313331233132313331322311331333133322321   >>    C1111133313331323223313331333133313331333123313231333132231133133313332232   <<    C11111333133313232233133313331333133313331233132313331322311331333133322323   >>      C11111333133313232233133313331333133313331233132313331322311331333133322322   >>