C312111333131323132313233313131323132313132322331323331322131121   >>    C31211133313132313231323331313132313231313232233132333132213112   <<    C312111333131323132313233313131323132313132322331323331322131123   >>      C312111333131323132313233313131323132313132322331323331322131122   >>