C33111323113313132322331322331322132313231323133311232313231221   >>    C3311132311331313232233132233132213231323132313331123231323122   <<    C33111323113313132322331322331322132313231323133311232313231223   >>      C33111323113313132322331322331322132313231323133311232313231222   >>