C12121212311232322331313232233132333132333132233132313232112323222321   >>    C1212121231123232233131323223313233313233313223313231323211232322232   <<    C12121212311232322331313232233132333132333132233132313232112323222323   >>      C12121212311232322331313232233132333132333132233132313232112323222322   >>