C23221211113313331233133313331323133313231123313331333133313122121   >>    C2322121111331333123313331333132313331323112331333133313331312212   <<    C23221211113313331233133313331323133313231123313331333133313122123   >>      C23221211113313331233133313331323133313231123313331333133313122122   >>