C312322331333132212111133133313331323133313331333133313231323222321   >>    C31232233133313221211113313331333132313331333133313331323132322232   <<    C312322331333132212111133133313331323133313331333133313231323222323   >>      C312322331333132212111133133313331323133313331333133313231323222322   >>