C222123232321333131133133313331323133313231323211113112132223111   >>    C22212323232133313113313331333132313331323132321111311213222311   <<    C222123232321333131133133313331323133313231323211113112132223113   >>      C222123232321333131133133313331323133313231323211113112132223112   >>