C12121212311232322331323331313132333132321113231323132313232331   >>    C1212121231123232233132333131313233313232111323132313231323233   <<    C12121212311232322331323331313132333132321113231323132313232333   >>      C12121212311232322331323331313132333132321113231323132313232332   >>