C222123232321333131133133313331333132313232233232323222313232321   >>    C22212323232133313113313331333133313231323223323232322231323232   <<    C222123232321333131133133313331333132313232233232323222313232323   >>      C222123232321333131133133313331333132313232233232323222313232322   >>