C31313132333131133132233132233132213233313231323133213231323132322231   >>    C3131313233313113313223313223313221323331323132313321323132313232223   <<    C31313132333131133132233132233132213233313231323133213231323132322233   >>      C31313132333131133132233132233132213233313231323133213231323132322232   >>