C212212121212113313221323131323132313132322331323231323233231323132333131   >>    C21221212121211331322132313132313231313232233132323132323323132313233313   <<    C212212121212113313221323131323132313132322331323231323233231323132333133   >>      C212212121212113313221323131323132313132322331323231323233231323132333132   >>