C12121212311232322331313232233132313331323221333132323323132323321   >>    C1212121231123232233131323223313231333132322133313232332313232332   <<    C12121212311232322331313232233132313331323221333132323323132323323   >>      C12121212311232322331313232233132313331323221333132323323132323322   >>