C222123232321333131133133313331333132313231333112323321323212121311   >>    C22212323232133313113313331333133313231323133311232332132321212131   <<    C222123232321333131133133313331333132313231333112323321323212121313   >>      C222123232321333131133133313331333132313231333112323321323212121312   >>