C21221212121323223313131323132233132313233231323132313231323132321   >>    C2122121212132322331313132313223313231323323132313231323132313232   <<    C21221212121323223313131323132233132313233231323132313231323132323   >>      C21221212121323223313131323132233132313233231323132313231323132322   >>