C2221232323213331311331333133313231333132312323323232221222332321   >>    C222123232321333131133133313331323133313231232332323222122233232   <<    C2221232323213331311331333133313231333132312323323232221222332323   >>      C2221232323213331311331333133313231333132312323323232221222332322   >>