C313331311233133313112331333132313331323132322331333133322233311   >>    C31333131123313331311233133313231333132313232233133313332223331   <<    C313331311233133313112331333132313331323132322331333133322233313   >>      C313331311233133313112331333132313331323132322331333133322233312   >>