C212212121213232233131313231323223313232233132222331313331121131   >>    C21221212121323223313131323132322331323223313222233131333112113   <<    C212212121213232233131313231323223313232233132222331313331121133   >>      C212212121213232233131313231323223313232233132222331313331121132   >>