C23221211113313331233133313331323133313231123313331333131121133133313221321   >>    C2322121111331333123313331333132313331323112331333133313112113313331322132   <<    C23221211113313331233133313331323133313231123313331333131121133133313221323   >>      C23221211113313331233133313331323133313231123313331333131121133133313221322   >>