C222123232321333131133133313331333132313231333133321323312121311   >>    C22212323232133313113313331333133313231323133313332132331212131   <<    C222123232321333131133133313331333132313231333133321323312121313   >>      C222123232321333131133133313331333132313231333133321323312121312   >>