C12121212311232322331313232233132313331323221133132313331323233231   >>    C1212121231123232233131323223313231333132322113313231333132323323   <<    C12121212311232322331313232233132313331323221133132313331323233233   >>      C12121212311232322331313232233132313331323221133132313331323233232   >>