C23221211113313331233133313331323133313231123313331333133313223313232211   >>    C2322121111331333123313331333132313331323112331333133313331322331323221   <<    C23221211113313331233133313331323133313231123313331333133313223313232213   >>      C23221211113313331233133313331323133313231123313331333133313223313232212   >>