C222123232321333131133133313331333132313231333112323321322121311   >>    C22212323232133313113313331333133313231323133311232332132212131   <<    C222123232321333131133133313331333132313231333112323321322121313   >>      C222123232321333131133133313331333132313231333112323321322121312   >>